Home / 11,163.29-16,733.28-3,765.20

Finding the Fourth Proportional to 11,163.29, 16,733.28 and 3,765.20

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Solution

The fourth proportional to 11,163.29, 16,733.28 and 3,765.20 is: 5,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.29 : 16,733.28 = 3,765.20 : x
  2. Step 2: Convert to fraction form
    11,163.29/16,733.28 = 3,765.20/x
  3. Step 3: Cross multiply
    11,163.29x = 16,733.28 × 3,765.20
  4. Step 4: Simplify right side
    11,163.29x = 63,004,170.43
  5. Step 5: Solve for x
    x = 63,004,170.43/11,163.29
  6. Step 6: Final answer
    x = 5,643.87

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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.