Home / 11,408.14-17,109.57-5,163.95

Finding the Fourth Proportional to 11,408.14, 17,109.57 and 5,163.95

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Solution

The fourth proportional to 11,408.14, 17,109.57 and 5,163.95 is: 7,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.14 : 17,109.57 = 5,163.95 : x
  2. Step 2: Convert to fraction form
    11,408.14/17,109.57 = 5,163.95/x
  3. Step 3: Cross multiply
    11,408.14x = 17,109.57 × 5,163.95
  4. Step 4: Simplify right side
    11,408.14x = 88,352,878.45
  5. Step 5: Solve for x
    x = 88,352,878.45/11,408.14
  6. Step 6: Final answer
    x = 7,744.73

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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.