Home / 7,683.82-11,531.46-5,713.96

Finding the Fourth Proportional to 7,683.82, 11,531.46 and 5,713.96

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Solution

The fourth proportional to 7,683.82, 11,531.46 and 5,713.96 is: 8,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.82 : 11,531.46 = 5,713.96 : x
  2. Step 2: Convert to fraction form
    7,683.82/11,531.46 = 5,713.96/x
  3. Step 3: Cross multiply
    7,683.82x = 11,531.46 × 5,713.96
  4. Step 4: Simplify right side
    7,683.82x = 65,890,301.18
  5. Step 5: Solve for x
    x = 65,890,301.18/7,683.82
  6. Step 6: Final answer
    x = 8,575.20

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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.