Home / 8,881.38-12,255.30-5,524.74

Finding the Fourth Proportional to 8,881.38, 12,255.30 and 5,524.74

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Solution

The fourth proportional to 8,881.38, 12,255.30 and 5,524.74 is: 7,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.38 : 12,255.30 = 5,524.74 : x
  2. Step 2: Convert to fraction form
    8,881.38/12,255.30 = 5,524.74/x
  3. Step 3: Cross multiply
    8,881.38x = 12,255.30 × 5,524.74
  4. Step 4: Simplify right side
    8,881.38x = 67,707,346.12
  5. Step 5: Solve for x
    x = 67,707,346.12/8,881.38
  6. Step 6: Final answer
    x = 7,623.52

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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.