Home / 8,531.43-11,772.56-4,754.21

Finding the Fourth Proportional to 8,531.43, 11,772.56 and 4,754.21

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Solution

The fourth proportional to 8,531.43, 11,772.56 and 4,754.21 is: 6,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.43 : 11,772.56 = 4,754.21 : x
  2. Step 2: Convert to fraction form
    8,531.43/11,772.56 = 4,754.21/x
  3. Step 3: Cross multiply
    8,531.43x = 11,772.56 × 4,754.21
  4. Step 4: Simplify right side
    8,531.43x = 55,969,222.48
  5. Step 5: Solve for x
    x = 55,969,222.48/8,531.43
  6. Step 6: Final answer
    x = 6,560.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.