Home / 11,932.87-16,479.61-8,943.97

Finding the Fourth Proportional to 11,932.87, 16,479.61 and 8,943.97

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Solution

The fourth proportional to 11,932.87, 16,479.61 and 8,943.97 is: 12,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.87 : 16,479.61 = 8,943.97 : x
  2. Step 2: Convert to fraction form
    11,932.87/16,479.61 = 8,943.97/x
  3. Step 3: Cross multiply
    11,932.87x = 16,479.61 × 8,943.97
  4. Step 4: Simplify right side
    11,932.87x = 147,393,137.45
  5. Step 5: Solve for x
    x = 147,393,137.45/11,932.87
  6. Step 6: Final answer
    x = 12,351.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.