Home / 7,429.11-11,136.17-4,657.73

Finding the Fourth Proportional to 7,429.11, 11,136.17 and 4,657.73

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Solution

The fourth proportional to 7,429.11, 11,136.17 and 4,657.73 is: 6,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.11 : 11,136.17 = 4,657.73 : x
  2. Step 2: Convert to fraction form
    7,429.11/11,136.17 = 4,657.73/x
  3. Step 3: Cross multiply
    7,429.11x = 11,136.17 × 4,657.73
  4. Step 4: Simplify right side
    7,429.11x = 51,869,273.09
  5. Step 5: Solve for x
    x = 51,869,273.09/7,429.11
  6. Step 6: Final answer
    x = 6,981.90

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Double scale
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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.