Home / 11,163.56-16,745.28-3,372.08

Finding the Fourth Proportional to 11,163.56, 16,745.28 and 3,372.08

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Solution

The fourth proportional to 11,163.56, 16,745.28 and 3,372.08 is: 5,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.56 : 16,745.28 = 3,372.08 : x
  2. Step 2: Convert to fraction form
    11,163.56/16,745.28 = 3,372.08/x
  3. Step 3: Cross multiply
    11,163.56x = 16,745.28 × 3,372.08
  4. Step 4: Simplify right side
    11,163.56x = 56,466,423.78
  5. Step 5: Solve for x
    x = 56,466,423.78/11,163.56
  6. Step 6: Final answer
    x = 5,058.10

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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.