Home / 8,760.91-13,108.43-5,237.95

Finding the Fourth Proportional to 8,760.91, 13,108.43 and 5,237.95

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Solution

The fourth proportional to 8,760.91, 13,108.43 and 5,237.95 is: 7,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.91 : 13,108.43 = 5,237.95 : x
  2. Step 2: Convert to fraction form
    8,760.91/13,108.43 = 5,237.95/x
  3. Step 3: Cross multiply
    8,760.91x = 13,108.43 × 5,237.95
  4. Step 4: Simplify right side
    8,760.91x = 68,661,274.73
  5. Step 5: Solve for x
    x = 68,661,274.73/8,760.91
  6. Step 6: Final answer
    x = 7,837.23

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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.