Home / 10,177.50-14,044.95-5,761.50

Finding the Fourth Proportional to 10,177.50, 14,044.95 and 5,761.50

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Solution

The fourth proportional to 10,177.50, 14,044.95 and 5,761.50 is: 7,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.50 : 14,044.95 = 5,761.50 : x
  2. Step 2: Convert to fraction form
    10,177.50/14,044.95 = 5,761.50/x
  3. Step 3: Cross multiply
    10,177.50x = 14,044.95 × 5,761.50
  4. Step 4: Simplify right side
    10,177.50x = 80,919,979.43
  5. Step 5: Solve for x
    x = 80,919,979.43/10,177.50
  6. Step 6: Final answer
    x = 7,950.87

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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.