Home / 9,932.31-13,705.06-5,739.75

Finding the Fourth Proportional to 9,932.31, 13,705.06 and 5,739.75

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Solution

The fourth proportional to 9,932.31, 13,705.06 and 5,739.75 is: 7,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.31 : 13,705.06 = 5,739.75 : x
  2. Step 2: Convert to fraction form
    9,932.31/13,705.06 = 5,739.75/x
  3. Step 3: Cross multiply
    9,932.31x = 13,705.06 × 5,739.75
  4. Step 4: Simplify right side
    9,932.31x = 78,663,618.14
  5. Step 5: Solve for x
    x = 78,663,618.14/9,932.31
  6. Step 6: Final answer
    x = 7,919.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.