Home / 7,500.97-11,255.12-5,003.78

Finding the Fourth Proportional to 7,500.97, 11,255.12 and 5,003.78

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Solution

The fourth proportional to 7,500.97, 11,255.12 and 5,003.78 is: 7,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.97 : 11,255.12 = 5,003.78 : x
  2. Step 2: Convert to fraction form
    7,500.97/11,255.12 = 5,003.78/x
  3. Step 3: Cross multiply
    7,500.97x = 11,255.12 × 5,003.78
  4. Step 4: Simplify right side
    7,500.97x = 56,318,119.33
  5. Step 5: Solve for x
    x = 56,318,119.33/7,500.97
  6. Step 6: Final answer
    x = 7,508.12

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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.