Home / 11,508.75-17,264.70-4,111.56

Finding the Fourth Proportional to 11,508.75, 17,264.70 and 4,111.56

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Solution

The fourth proportional to 11,508.75, 17,264.70 and 4,111.56 is: 6,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.75 : 17,264.70 = 4,111.56 : x
  2. Step 2: Convert to fraction form
    11,508.75/17,264.70 = 4,111.56/x
  3. Step 3: Cross multiply
    11,508.75x = 17,264.70 × 4,111.56
  4. Step 4: Simplify right side
    11,508.75x = 70,984,849.93
  5. Step 5: Solve for x
    x = 70,984,849.93/11,508.75
  6. Step 6: Final answer
    x = 6,167.90

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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.