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Finding the Fourth Proportional to 11,229.87, 16,839.94 and 5,963.74

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Solution

The fourth proportional to 11,229.87, 16,839.94 and 5,963.74 is: 8,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.87 : 16,839.94 = 5,963.74 : x
  2. Step 2: Convert to fraction form
    11,229.87/16,839.94 = 5,963.74/x
  3. Step 3: Cross multiply
    11,229.87x = 16,839.94 × 5,963.74
  4. Step 4: Simplify right side
    11,229.87x = 100,429,023.78
  5. Step 5: Solve for x
    x = 100,429,023.78/11,229.87
  6. Step 6: Final answer
    x = 8,943.03

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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.