Home / 11,961.25-17,943.69-6,115.88

Finding the Fourth Proportional to 11,961.25, 17,943.69 and 6,115.88

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Solution

The fourth proportional to 11,961.25, 17,943.69 and 6,115.88 is: 9,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.25 : 17,943.69 = 6,115.88 : x
  2. Step 2: Convert to fraction form
    11,961.25/17,943.69 = 6,115.88/x
  3. Step 3: Cross multiply
    11,961.25x = 17,943.69 × 6,115.88
  4. Step 4: Simplify right side
    11,961.25x = 109,741,454.80
  5. Step 5: Solve for x
    x = 109,741,454.80/11,961.25
  6. Step 6: Final answer
    x = 9,174.75

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