Home / 12,732.32-17,554.47-9,102.71

Finding the Fourth Proportional to 12,732.32, 17,554.47 and 9,102.71

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Solution

The fourth proportional to 12,732.32, 17,554.47 and 9,102.71 is: 12,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.32 : 17,554.47 = 9,102.71 : x
  2. Step 2: Convert to fraction form
    12,732.32/17,554.47 = 9,102.71/x
  3. Step 3: Cross multiply
    12,732.32x = 17,554.47 × 9,102.71
  4. Step 4: Simplify right side
    12,732.32x = 159,793,249.61
  5. Step 5: Solve for x
    x = 159,793,249.61/12,732.32
  6. Step 6: Final answer
    x = 12,550.21

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.