Home / 10,881.71-15,025.23-8,359.82

Finding the Fourth Proportional to 10,881.71, 15,025.23 and 8,359.82

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Solution

The fourth proportional to 10,881.71, 15,025.23 and 8,359.82 is: 11,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.71 : 15,025.23 = 8,359.82 : x
  2. Step 2: Convert to fraction form
    10,881.71/15,025.23 = 8,359.82/x
  3. Step 3: Cross multiply
    10,881.71x = 15,025.23 × 8,359.82
  4. Step 4: Simplify right side
    10,881.71x = 125,608,218.26
  5. Step 5: Solve for x
    x = 125,608,218.26/10,881.71
  6. Step 6: Final answer
    x = 11,543.06

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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.