Question

If following are in proportion find the value of x

a. 5:x::7:28

b. 3:6::12:x
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Answer 1

Step-by-step explanation:

5:x::7:28

=>5/x=7/28

=>x=(28×5)/7

=>x=20

so,5:20::7:28

b) 3:6::12:x

=>3/6=12/x

=>x=(6×12)/3

=>x=24

so,3:6::12:24