Home / 10,935.26-16,399.68-5,008.80

Finding the Fourth Proportional to 10,935.26, 16,399.68 and 5,008.80

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Solution

The fourth proportional to 10,935.26, 16,399.68 and 5,008.80 is: 7,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.26 : 16,399.68 = 5,008.80 : x
  2. Step 2: Convert to fraction form
    10,935.26/16,399.68 = 5,008.80/x
  3. Step 3: Cross multiply
    10,935.26x = 16,399.68 × 5,008.80
  4. Step 4: Simplify right side
    10,935.26x = 82,142,717.18
  5. Step 5: Solve for x
    x = 82,142,717.18/10,935.26
  6. Step 6: Final answer
    x = 7,511.73

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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.