Question

4.3. 10 :: 8 :?
what is the missing number its not 18.6
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Answer 1

Question is

4.3:10::8:?

This means if 4.3 is equal to 10 then 8 is equal to ?

We can solve this with unitary method .

4.3 is equal to 10

1 is equal to 10/4.3 = 2.32

so 8 is equal to 2.32 × 8 = 18.60 or 800/43.

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We can solve this with ratio also

4.3:10::8:?

4.3/10=8/x

x= 8 × 10/4.3

x= 800/43 or 18.60