Advanced Ratio Componendo to Mean Proportion

Advanced Ratio Componendo to Mean Proportion

#### If the ratio of a number x to 12 is 3:4, then find the number x: 1. [ ] 3 2. [ ] 4 3. [ ] 6 4. [x] 9 #### If the ratio of two numbers is 2:3 and their sum is 30, find the larger number: 1. [ ] 10 2. [ ] 12 3. [ ] 15 4. [x] 18 #### If the ratio of two numbers is 5:6, and their difference is 15, find the smaller number: 1. [x] 75 2. [ ] 30 3. [ ] 35 4. [ ] 40 #### If the ratio of two numbers is 7:9 and their product is 63, find the larger number: 1. [ ] 7 2. [x] 9 3. [ ] 42 4. [ ] 63 #### If the ratio of two numbers is 3:4 and their difference is 15, find the smaller number: 1. [ ] 15 2. [ ] 30 3. [ ] 35 4. [x] 45 #### If the ratio of two numbers is 4:5 and their sum is 80, find the larger number: 1. [ ] 32 2. [ ] 40 3. [ ] 48 4. [x] 50 #### If the ratio of two numbers is 5:7, and their product is 315, find the smaller number: 1. [ ] 5 2. [ ] 7 3. [ ] 25 4. [x] 15 #### If the ratio of two numbers is 6:7 and their difference is 21, find the larger number: 1. [ ] 42 2. [ ] 49 3. [ ] 56 4. [x] 63