Home / 8,877.18-12,250.91-5,101.57

Finding the Fourth Proportional to 8,877.18, 12,250.91 and 5,101.57

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Solution

The fourth proportional to 8,877.18, 12,250.91 and 5,101.57 is: 7,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.18 : 12,250.91 = 5,101.57 : x
  2. Step 2: Convert to fraction form
    8,877.18/12,250.91 = 5,101.57/x
  3. Step 3: Cross multiply
    8,877.18x = 12,250.91 × 5,101.57
  4. Step 4: Simplify right side
    8,877.18x = 62,498,874.93
  5. Step 5: Solve for x
    x = 62,498,874.93/8,877.18
  6. Step 6: Final answer
    x = 7,040.40

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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.