Home / 11,495.96-15,862.50-6,781.17

Finding the Fourth Proportional to 11,495.96, 15,862.50 and 6,781.17

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Solution

The fourth proportional to 11,495.96, 15,862.50 and 6,781.17 is: 9,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.96 : 15,862.50 = 6,781.17 : x
  2. Step 2: Convert to fraction form
    11,495.96/15,862.50 = 6,781.17/x
  3. Step 3: Cross multiply
    11,495.96x = 15,862.50 × 6,781.17
  4. Step 4: Simplify right side
    11,495.96x = 107,566,309.13
  5. Step 5: Solve for x
    x = 107,566,309.13/11,495.96
  6. Step 6: Final answer
    x = 9,356.88

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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.