Home / 8,877.45-12,251.48-5,101.85

Finding the Fourth Proportional to 8,877.45, 12,251.48 and 5,101.85

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Solution

The fourth proportional to 8,877.45, 12,251.48 and 5,101.85 is: 7,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.45 : 12,251.48 = 5,101.85 : x
  2. Step 2: Convert to fraction form
    8,877.45/12,251.48 = 5,101.85/x
  3. Step 3: Cross multiply
    8,877.45x = 12,251.48 × 5,101.85
  4. Step 4: Simplify right side
    8,877.45x = 62,505,126.47
  5. Step 5: Solve for x
    x = 62,505,126.47/8,877.45
  6. Step 6: Final answer
    x = 7,040.89

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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.