Home / 8,771.97-13,160.13-2,531.83

Finding the Fourth Proportional to 8,771.97, 13,160.13 and 2,531.83

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Solution

The fourth proportional to 8,771.97, 13,160.13 and 2,531.83 is: 3,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.97 : 13,160.13 = 2,531.83 : x
  2. Step 2: Convert to fraction form
    8,771.97/13,160.13 = 2,531.83/x
  3. Step 3: Cross multiply
    8,771.97x = 13,160.13 × 2,531.83
  4. Step 4: Simplify right side
    8,771.97x = 33,319,211.94
  5. Step 5: Solve for x
    x = 33,319,211.94/8,771.97
  6. Step 6: Final answer
    x = 3,798.37

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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.