Home / 11,964.28-17,932.36-5,382.76

Finding the Fourth Proportional to 11,964.28, 17,932.36 and 5,382.76

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Solution

The fourth proportional to 11,964.28, 17,932.36 and 5,382.76 is: 8,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.28 : 17,932.36 = 5,382.76 : x
  2. Step 2: Convert to fraction form
    11,964.28/17,932.36 = 5,382.76/x
  3. Step 3: Cross multiply
    11,964.28x = 17,932.36 × 5,382.76
  4. Step 4: Simplify right side
    11,964.28x = 96,525,590.11
  5. Step 5: Solve for x
    x = 96,525,590.11/11,964.28
  6. Step 6: Final answer
    x = 8,067.81

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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.