Home / 10,983.68-16,468.34-6,239.96

Finding the Fourth Proportional to 10,983.68, 16,468.34 and 6,239.96

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Solution

The fourth proportional to 10,983.68, 16,468.34 and 6,239.96 is: 9,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.68 : 16,468.34 = 6,239.96 : x
  2. Step 2: Convert to fraction form
    10,983.68/16,468.34 = 6,239.96/x
  3. Step 3: Cross multiply
    10,983.68x = 16,468.34 × 6,239.96
  4. Step 4: Simplify right side
    10,983.68x = 102,761,782.87
  5. Step 5: Solve for x
    x = 102,761,782.87/10,983.68
  6. Step 6: Final answer
    x = 9,355.86

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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.