Home / 11,324.31-16,979.98-4,744.95

Finding the Fourth Proportional to 11,324.31, 16,979.98 and 4,744.95

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Solution

The fourth proportional to 11,324.31, 16,979.98 and 4,744.95 is: 7,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.31 : 16,979.98 = 4,744.95 : x
  2. Step 2: Convert to fraction form
    11,324.31/16,979.98 = 4,744.95/x
  3. Step 3: Cross multiply
    11,324.31x = 16,979.98 × 4,744.95
  4. Step 4: Simplify right side
    11,324.31x = 80,569,156.10
  5. Step 5: Solve for x
    x = 80,569,156.10/11,324.31
  6. Step 6: Final answer
    x = 7,114.71

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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.