Home / 8,943.28-13,418.73-4,498.61

Finding the Fourth Proportional to 8,943.28, 13,418.73 and 4,498.61

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Solution

The fourth proportional to 8,943.28, 13,418.73 and 4,498.61 is: 6,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.28 : 13,418.73 = 4,498.61 : x
  2. Step 2: Convert to fraction form
    8,943.28/13,418.73 = 4,498.61/x
  3. Step 3: Cross multiply
    8,943.28x = 13,418.73 × 4,498.61
  4. Step 4: Simplify right side
    8,943.28x = 60,365,565.87
  5. Step 5: Solve for x
    x = 60,365,565.87/8,943.28
  6. Step 6: Final answer
    x = 6,749.83

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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.