Home / 11,666.80-16,098.72-8,517.52

Finding the Fourth Proportional to 11,666.80, 16,098.72 and 8,517.52

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Solution

The fourth proportional to 11,666.80, 16,098.72 and 8,517.52 is: 11,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.80 : 16,098.72 = 8,517.52 : x
  2. Step 2: Convert to fraction form
    11,666.80/16,098.72 = 8,517.52/x
  3. Step 3: Cross multiply
    11,666.80x = 16,098.72 × 8,517.52
  4. Step 4: Simplify right side
    11,666.80x = 137,121,169.57
  5. Step 5: Solve for x
    x = 137,121,169.57/11,666.80
  6. Step 6: Final answer
    x = 11,753.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.