Home / 7,606.12-11,414.66-2,679.90

Finding the Fourth Proportional to 7,606.12, 11,414.66 and 2,679.90

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Solution

The fourth proportional to 7,606.12, 11,414.66 and 2,679.90 is: 4,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.12 : 11,414.66 = 2,679.90 : x
  2. Step 2: Convert to fraction form
    7,606.12/11,414.66 = 2,679.90/x
  3. Step 3: Cross multiply
    7,606.12x = 11,414.66 × 2,679.90
  4. Step 4: Simplify right side
    7,606.12x = 30,590,147.33
  5. Step 5: Solve for x
    x = 30,590,147.33/7,606.12
  6. Step 6: Final answer
    x = 4,021.78

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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.