Home / 10,688.20-16,033.90-3,292.04

Finding the Fourth Proportional to 10,688.20, 16,033.90 and 3,292.04

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Solution

The fourth proportional to 10,688.20, 16,033.90 and 3,292.04 is: 4,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.20 : 16,033.90 = 3,292.04 : x
  2. Step 2: Convert to fraction form
    10,688.20/16,033.90 = 3,292.04/x
  3. Step 3: Cross multiply
    10,688.20x = 16,033.90 × 3,292.04
  4. Step 4: Simplify right side
    10,688.20x = 52,784,278.18
  5. Step 5: Solve for x
    x = 52,784,278.18/10,688.20
  6. Step 6: Final answer
    x = 4,938.55

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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.