Home / 11,154.87-16,737.17-4,227.75

Finding the Fourth Proportional to 11,154.87, 16,737.17 and 4,227.75

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Solution

The fourth proportional to 11,154.87, 16,737.17 and 4,227.75 is: 6,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.87 : 16,737.17 = 4,227.75 : x
  2. Step 2: Convert to fraction form
    11,154.87/16,737.17 = 4,227.75/x
  3. Step 3: Cross multiply
    11,154.87x = 16,737.17 × 4,227.75
  4. Step 4: Simplify right side
    11,154.87x = 70,760,549.33
  5. Step 5: Solve for x
    x = 70,760,549.33/11,154.87
  6. Step 6: Final answer
    x = 6,343.47

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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.