Home / 8,207.48-11,331.56-5,378.96

Finding the Fourth Proportional to 8,207.48, 11,331.56 and 5,378.96

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Solution

The fourth proportional to 8,207.48, 11,331.56 and 5,378.96 is: 7,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.48 : 11,331.56 = 5,378.96 : x
  2. Step 2: Convert to fraction form
    8,207.48/11,331.56 = 5,378.96/x
  3. Step 3: Cross multiply
    8,207.48x = 11,331.56 × 5,378.96
  4. Step 4: Simplify right side
    8,207.48x = 60,952,049.75
  5. Step 5: Solve for x
    x = 60,952,049.75/8,207.48
  6. Step 6: Final answer
    x = 7,426.40

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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.