https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/find-an-unknown-in-a-proportion 2021-06-30T17:51:15Z Worked example: Solving proportions Learn the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too. Sal Khan video https://cdn.kastatic.org/googleusercontent/QzseavQ02iNdSkNVcahDUYwW3fHrkgBJDt4KVRdEyJFu-fgyEs7Gj-Bh5HJkdgjNONs70uhFEEQATcJ_qoHLbnLv Worked example: Solving proportions Learn the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too. https://cdn.kastatic.org/ka-youtube-converted/GO5ajwbFqVQ.mp4/GO5ajwbFqVQ.mp4 440 Problemas de proporcionalidad https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/e/proportions_1 2025-02-27T09:44:01.957151246Z Solving proportions Practice solving basic proportions. David Sissitka exercise https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/find-an-unknown-in-a-proportion-2 2021-06-30T17:51:15Z Proportion word problem: cookies A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of cookies that uses 9 cups of oatmeal? Sal Khan video https://cdn.kastatic.org/googleusercontent/65BBwVHBnJd1W7a_dj2cWgPtOTNFmKohkcOZj50aJSA-YU8M79qSXdzKO5rh-Qua3zjgGjWVaiXMekpEhAvdjSdu Proportion word problem: cookies A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of cookies that uses 9 cups of oatmeal? https://cdn.kastatic.org/ka-youtube-converted/4ywTWCaLmXE.mp4/4ywTWCaLmXE.mp4 348 Problemas de proporcionalidad https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/v/using-proportion-to-solve-for-variable 2021-06-30T17:51:04Z Proportion word problem: hot dogs Mika can eat 21 hot dogs in 66 minutes. She wants to know how many minutes it would take her to eat 35 hot dogs if she can keep up the same pace. video https://cdn.kastatic.org/googleusercontent/FqfvHM94X3lmPDgJz8Wi7TdzlTxpvcazktxaXuZrOBqf5DNj2IVAMWKOMBWkStIsWr04Y1T1ORLnOj5hq1ZdXjxk Proportion word problem: hot dogs Mika can eat 21 hot dogs in 66 minutes. She wants to know how many minutes it would take her to eat 35 hot dogs if she can keep up the same pace. https://cdn.kastatic.org/ka-youtube-converted/s8_14yxp1lQ.mp4/s8_14yxp1lQ.mp4 298 Problemas de proporcionalidad https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-write-and-solve-proportions/e/constructing-proportions-to-solve-application-problems 2024-08-22T15:15:27.721380738Z Proportion word problems Practice setting up and solving proportions to solve word problems. Justin Helps exercise https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-fractions-decimals/cc-7th-percent-word-problems/a/multi-step-ratio-and-proportion-problems 2024-08-21T07:26:18.361825015Z Multi-step ratio and percent problems Use proportional relationships to solve multistep ratio and percent problems. Examples include simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error. article