Question

check if the following arrangements of numbers are in proportion (a) 4,6,8,12​

Answer 1

Answer:

yes they are proportional

Step-by-step explanation:

4/6=2/3

8/12=2/3

so they are proportional.

Answer 2

If a,b,c,d are in proportion-

a:b::c:d

this means

$\frac{a}{b} = \frac{c}{d}$

$= > ad = bc$

or we can say-

Product of extremes = Product of means

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Now the question is- 4,6,8,12

LHS

$4 \times 12 = 48$

RHS

$6 \times 8 = 48$

Hence, LHS = RHS

So we can conclude that 4,6,8,10 are in proportion.

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