Home / 10,770.67-16,166.90-7,654.20

Finding the Fourth Proportional to 10,770.67, 16,166.90 and 7,654.20

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Solution

The fourth proportional to 10,770.67, 16,166.90 and 7,654.20 is: 11,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.67 : 16,166.90 = 7,654.20 : x
  2. Step 2: Convert to fraction form
    10,770.67/16,166.90 = 7,654.20/x
  3. Step 3: Cross multiply
    10,770.67x = 16,166.90 × 7,654.20
  4. Step 4: Simplify right side
    10,770.67x = 123,744,685.98
  5. Step 5: Solve for x
    x = 123,744,685.98/10,770.67
  6. Step 6: Final answer
    x = 11,489.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.