Home / 8,726.96-13,092.49-2,487.05

Finding the Fourth Proportional to 8,726.96, 13,092.49 and 2,487.05

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Solution

The fourth proportional to 8,726.96, 13,092.49 and 2,487.05 is: 3,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.96 : 13,092.49 = 2,487.05 : x
  2. Step 2: Convert to fraction form
    8,726.96/13,092.49 = 2,487.05/x
  3. Step 3: Cross multiply
    8,726.96x = 13,092.49 × 2,487.05
  4. Step 4: Simplify right side
    8,726.96x = 32,561,723.65
  5. Step 5: Solve for x
    x = 32,561,723.65/8,726.96
  6. Step 6: Final answer
    x = 3,731.17

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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.