Home / 7,380.82-11,069.26-5,040.43

Finding the Fourth Proportional to 7,380.82, 11,069.26 and 5,040.43

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Solution

The fourth proportional to 7,380.82, 11,069.26 and 5,040.43 is: 7,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.82 : 11,069.26 = 5,040.43 : x
  2. Step 2: Convert to fraction form
    7,380.82/11,069.26 = 5,040.43/x
  3. Step 3: Cross multiply
    7,380.82x = 11,069.26 × 5,040.43
  4. Step 4: Simplify right side
    7,380.82x = 55,793,789.91
  5. Step 5: Solve for x
    x = 55,793,789.91/7,380.82
  6. Step 6: Final answer
    x = 7,559.29

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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.