Home / 10,503.62-15,758.52-3,108.28

Finding the Fourth Proportional to 10,503.62, 15,758.52 and 3,108.28

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Solution

The fourth proportional to 10,503.62, 15,758.52 and 3,108.28 is: 4,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.62 : 15,758.52 = 3,108.28 : x
  2. Step 2: Convert to fraction form
    10,503.62/15,758.52 = 3,108.28/x
  3. Step 3: Cross multiply
    10,503.62x = 15,758.52 × 3,108.28
  4. Step 4: Simplify right side
    10,503.62x = 48,981,813.75
  5. Step 5: Solve for x
    x = 48,981,813.75/10,503.62
  6. Step 6: Final answer
    x = 4,663.33

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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.