Home / 8,936.22-13,408.66-3,675.12

Finding the Fourth Proportional to 8,936.22, 13,408.66 and 3,675.12

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Solution

The fourth proportional to 8,936.22, 13,408.66 and 3,675.12 is: 5,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.22 : 13,408.66 = 3,675.12 : x
  2. Step 2: Convert to fraction form
    8,936.22/13,408.66 = 3,675.12/x
  3. Step 3: Cross multiply
    8,936.22x = 13,408.66 × 3,675.12
  4. Step 4: Simplify right side
    8,936.22x = 49,278,474.61
  5. Step 5: Solve for x
    x = 49,278,474.61/8,936.22
  6. Step 6: Final answer
    x = 5,514.46

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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.