Home / 10,761.40-16,142.10-9,613.23

Finding the Fourth Proportional to 10,761.40, 16,142.10 and 9,613.23

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Solution

The fourth proportional to 10,761.40, 16,142.10 and 9,613.23 is: 14,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.40 : 16,142.10 = 9,613.23 : x
  2. Step 2: Convert to fraction form
    10,761.40/16,142.10 = 9,613.23/x
  3. Step 3: Cross multiply
    10,761.40x = 16,142.10 × 9,613.23
  4. Step 4: Simplify right side
    10,761.40x = 155,177,719.98
  5. Step 5: Solve for x
    x = 155,177,719.98/10,761.40
  6. Step 6: Final answer
    x = 14,419.85

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Double scale
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Similar ratio
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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.