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Byju's Answer
Standard VII
Mathematics
Comparing Quantities : Introduction
If 4 : 6 : : ...
Question
If 4 : 6 : : 8 : d, then find d.
12
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Solution
The correct option is
A
12
Given proportion, 4 : 6 :: 8 : d
We know
Product of means = Product of extremes
∴
6
×
8 = 4
×
d
⇒
d =
48
4
⇒
d = 12
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