Home / 10,997.11-16,487.84-5,150.53

Finding the Fourth Proportional to 10,997.11, 16,487.84 and 5,150.53

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Solution

The fourth proportional to 10,997.11, 16,487.84 and 5,150.53 is: 7,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.11 : 16,487.84 = 5,150.53 : x
  2. Step 2: Convert to fraction form
    10,997.11/16,487.84 = 5,150.53/x
  3. Step 3: Cross multiply
    10,997.11x = 16,487.84 × 5,150.53
  4. Step 4: Simplify right side
    10,997.11x = 84,921,088.80
  5. Step 5: Solve for x
    x = 84,921,088.80/10,997.11
  6. Step 6: Final answer
    x = 7,722.13

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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.