Home / 7,475.70-11,213.55-3,091.98

Finding the Fourth Proportional to 7,475.70, 11,213.55 and 3,091.98

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Solution

The fourth proportional to 7,475.70, 11,213.55 and 3,091.98 is: 4,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.70 : 11,213.55 = 3,091.98 : x
  2. Step 2: Convert to fraction form
    7,475.70/11,213.55 = 3,091.98/x
  3. Step 3: Cross multiply
    7,475.70x = 11,213.55 × 3,091.98
  4. Step 4: Simplify right side
    7,475.70x = 34,672,072.33
  5. Step 5: Solve for x
    x = 34,672,072.33/7,475.70
  6. Step 6: Final answer
    x = 4,637.97

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Similar ratio
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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.