Home / 9,966.20-13,753.37-5,489.96

Finding the Fourth Proportional to 9,966.20, 13,753.37 and 5,489.96

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Solution

The fourth proportional to 9,966.20, 13,753.37 and 5,489.96 is: 7,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.20 : 13,753.37 = 5,489.96 : x
  2. Step 2: Convert to fraction form
    9,966.20/13,753.37 = 5,489.96/x
  3. Step 3: Cross multiply
    9,966.20x = 13,753.37 × 5,489.96
  4. Step 4: Simplify right side
    9,966.20x = 75,505,458.10
  5. Step 5: Solve for x
    x = 75,505,458.10/9,966.20
  6. Step 6: Final answer
    x = 7,576.16

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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.