Find the unknown term of the proportion: 11,5/6,9=x/27,6

Nadia Smith 2022-09-13 Answered
Find the unknown term of the proportion: 11,5/6,9=x/27,6
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Answers (1)

Cameron Benitez
Answered 2022-09-14 Author has 17 answers
proportion rule; the product of the extreme terms of the proportion is equal to the product of the middle terms of the proportion; a and d are extreme; b and c are averages; a/b=c/d; => a•d=b•c; we multiply according to the rule with a cross;
Find the unknown term of the proportion:
11.5/6.9=x/27.6,
6.9•Х=11.5•27.6
6.9x=317.4
X=317.4:6.9
X=46
Examination
11.5/6.9=X/27.6
115/10: 69/10= 46:276/10
115/10•10/69=46/1•10/276
115/69=23/1•10/138
1 46/69= 230/138
1 46/69= 115/69
1 46/69=1 46/69

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