Home / 8,915.24-13,370.98-5,743.18

Finding the Fourth Proportional to 8,915.24, 13,370.98 and 5,743.18

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Solution

The fourth proportional to 8,915.24, 13,370.98 and 5,743.18 is: 8,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.24 : 13,370.98 = 5,743.18 : x
  2. Step 2: Convert to fraction form
    8,915.24/13,370.98 = 5,743.18/x
  3. Step 3: Cross multiply
    8,915.24x = 13,370.98 × 5,743.18
  4. Step 4: Simplify right side
    8,915.24x = 76,791,924.47
  5. Step 5: Solve for x
    x = 76,791,924.47/8,915.24
  6. Step 6: Final answer
    x = 8,613.56

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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.