Home / 8,839.26-13,254.62-5,142.48

Finding the Fourth Proportional to 8,839.26, 13,254.62 and 5,142.48

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Solution

The fourth proportional to 8,839.26, 13,254.62 and 5,142.48 is: 7,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.26 : 13,254.62 = 5,142.48 : x
  2. Step 2: Convert to fraction form
    8,839.26/13,254.62 = 5,142.48/x
  3. Step 3: Cross multiply
    8,839.26x = 13,254.62 × 5,142.48
  4. Step 4: Simplify right side
    8,839.26x = 68,161,592.55
  5. Step 5: Solve for x
    x = 68,161,592.55/8,839.26
  6. Step 6: Final answer
    x = 7,711.23

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1.5x scale

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.