Home / 8,877.50-12,251.34-5,101.88

Finding the Fourth Proportional to 8,877.50, 12,251.34 and 5,101.88

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Solution

The fourth proportional to 8,877.50, 12,251.34 and 5,101.88 is: 7,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.50 : 12,251.34 = 5,101.88 : x
  2. Step 2: Convert to fraction form
    8,877.50/12,251.34 = 5,101.88/x
  3. Step 3: Cross multiply
    8,877.50x = 12,251.34 × 5,101.88
  4. Step 4: Simplify right side
    8,877.50x = 62,504,866.52
  5. Step 5: Solve for x
    x = 62,504,866.52/8,877.50
  6. Step 6: Final answer
    x = 7,040.82

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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.