Home / 11,672.45-17,508.82-3,881.26

Finding the Fourth Proportional to 11,672.45, 17,508.82 and 3,881.26

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Solution

The fourth proportional to 11,672.45, 17,508.82 and 3,881.26 is: 5,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.45 : 17,508.82 = 3,881.26 : x
  2. Step 2: Convert to fraction form
    11,672.45/17,508.82 = 3,881.26/x
  3. Step 3: Cross multiply
    11,672.45x = 17,508.82 × 3,881.26
  4. Step 4: Simplify right side
    11,672.45x = 67,956,282.71
  5. Step 5: Solve for x
    x = 67,956,282.71/11,672.45
  6. Step 6: Final answer
    x = 5,821.94

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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.