Home / 8,711.60-12,022.02-4,732.76

Finding the Fourth Proportional to 8,711.60, 12,022.02 and 4,732.76

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Solution

The fourth proportional to 8,711.60, 12,022.02 and 4,732.76 is: 6,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.60 : 12,022.02 = 4,732.76 : x
  2. Step 2: Convert to fraction form
    8,711.60/12,022.02 = 4,732.76/x
  3. Step 3: Cross multiply
    8,711.60x = 12,022.02 × 4,732.76
  4. Step 4: Simplify right side
    8,711.60x = 56,897,365.43
  5. Step 5: Solve for x
    x = 56,897,365.43/8,711.60
  6. Step 6: Final answer
    x = 6,531.22

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Half scale
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Double scale
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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.