Home / 10,141.30-13,995.38-5,892.31

Finding the Fourth Proportional to 10,141.30, 13,995.38 and 5,892.31

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Solution

The fourth proportional to 10,141.30, 13,995.38 and 5,892.31 is: 8,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.30 : 13,995.38 = 5,892.31 : x
  2. Step 2: Convert to fraction form
    10,141.30/13,995.38 = 5,892.31/x
  3. Step 3: Cross multiply
    10,141.30x = 13,995.38 × 5,892.31
  4. Step 4: Simplify right side
    10,141.30x = 82,465,018.09
  5. Step 5: Solve for x
    x = 82,465,018.09/10,141.30
  6. Step 6: Final answer
    x = 8,131.61

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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.