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Finding the Fourth Proportional to 10,411.65, 14,367.11 and 5,936.40

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Solution

The fourth proportional to 10,411.65, 14,367.11 and 5,936.40 is: 8,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.65 : 14,367.11 = 5,936.40 : x
  2. Step 2: Convert to fraction form
    10,411.65/14,367.11 = 5,936.40/x
  3. Step 3: Cross multiply
    10,411.65x = 14,367.11 × 5,936.40
  4. Step 4: Simplify right side
    10,411.65x = 85,288,882.12
  5. Step 5: Solve for x
    x = 85,288,882.12/10,411.65
  6. Step 6: Final answer
    x = 8,191.68

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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.