Home / 10,772.81-16,156.07-4,197.43

Finding the Fourth Proportional to 10,772.81, 16,156.07 and 4,197.43

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Solution

The fourth proportional to 10,772.81, 16,156.07 and 4,197.43 is: 6,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.81 : 16,156.07 = 4,197.43 : x
  2. Step 2: Convert to fraction form
    10,772.81/16,156.07 = 4,197.43/x
  3. Step 3: Cross multiply
    10,772.81x = 16,156.07 × 4,197.43
  4. Step 4: Simplify right side
    10,772.81x = 67,813,972.90
  5. Step 5: Solve for x
    x = 67,813,972.90/10,772.81
  6. Step 6: Final answer
    x = 6,294.92

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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.