Home / 10,747.35-16,121.04-5,819.31

Finding the Fourth Proportional to 10,747.35, 16,121.04 and 5,819.31

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Solution

The fourth proportional to 10,747.35, 16,121.04 and 5,819.31 is: 8,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.35 : 16,121.04 = 5,819.31 : x
  2. Step 2: Convert to fraction form
    10,747.35/16,121.04 = 5,819.31/x
  3. Step 3: Cross multiply
    10,747.35x = 16,121.04 × 5,819.31
  4. Step 4: Simplify right side
    10,747.35x = 93,813,329.28
  5. Step 5: Solve for x
    x = 93,813,329.28/10,747.35
  6. Step 6: Final answer
    x = 8,728.97

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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.