Home / 10,398.62-15,589.09-4,550.86

Finding the Fourth Proportional to 10,398.62, 15,589.09 and 4,550.86

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Solution

The fourth proportional to 10,398.62, 15,589.09 and 4,550.86 is: 6,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.62 : 15,589.09 = 4,550.86 : x
  2. Step 2: Convert to fraction form
    10,398.62/15,589.09 = 4,550.86/x
  3. Step 3: Cross multiply
    10,398.62x = 15,589.09 × 4,550.86
  4. Step 4: Simplify right side
    10,398.62x = 70,943,766.12
  5. Step 5: Solve for x
    x = 70,943,766.12/10,398.62
  6. Step 6: Final answer
    x = 6,822.42

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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.