Home / 7,469.44-11,198.72-3,520.96

Finding the Fourth Proportional to 7,469.44, 11,198.72 and 3,520.96

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Solution

The fourth proportional to 7,469.44, 11,198.72 and 3,520.96 is: 5,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.44 : 11,198.72 = 3,520.96 : x
  2. Step 2: Convert to fraction form
    7,469.44/11,198.72 = 3,520.96/x
  3. Step 3: Cross multiply
    7,469.44x = 11,198.72 × 3,520.96
  4. Step 4: Simplify right side
    7,469.44x = 39,430,245.17
  5. Step 5: Solve for x
    x = 39,430,245.17/7,469.44
  6. Step 6: Final answer
    x = 5,278.88

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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.