Home / 10,724.46-16,084.89-2,931.90

Finding the Fourth Proportional to 10,724.46, 16,084.89 and 2,931.90

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Solution

The fourth proportional to 10,724.46, 16,084.89 and 2,931.90 is: 4,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.46 : 16,084.89 = 2,931.90 : x
  2. Step 2: Convert to fraction form
    10,724.46/16,084.89 = 2,931.90/x
  3. Step 3: Cross multiply
    10,724.46x = 16,084.89 × 2,931.90
  4. Step 4: Simplify right side
    10,724.46x = 47,159,288.99
  5. Step 5: Solve for x
    x = 47,159,288.99/10,724.46
  6. Step 6: Final answer
    x = 4,397.36

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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.