Home / 11,545.89-17,318.58-3,754.70

Finding the Fourth Proportional to 11,545.89, 17,318.58 and 3,754.70

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Solution

The fourth proportional to 11,545.89, 17,318.58 and 3,754.70 is: 5,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.89 : 17,318.58 = 3,754.70 : x
  2. Step 2: Convert to fraction form
    11,545.89/17,318.58 = 3,754.70/x
  3. Step 3: Cross multiply
    11,545.89x = 17,318.58 × 3,754.70
  4. Step 4: Simplify right side
    11,545.89x = 65,025,985.73
  5. Step 5: Solve for x
    x = 65,025,985.73/11,545.89
  6. Step 6: Final answer
    x = 5,631.96

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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.