Home / 12,163.55-18,244.83-3,844.04

Finding the Fourth Proportional to 12,163.55, 18,244.83 and 3,844.04

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Solution

The fourth proportional to 12,163.55, 18,244.83 and 3,844.04 is: 5,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.55 : 18,244.83 = 3,844.04 : x
  2. Step 2: Convert to fraction form
    12,163.55/18,244.83 = 3,844.04/x
  3. Step 3: Cross multiply
    12,163.55x = 18,244.83 × 3,844.04
  4. Step 4: Simplify right side
    12,163.55x = 70,133,856.31
  5. Step 5: Solve for x
    x = 70,133,856.31/12,163.55
  6. Step 6: Final answer
    x = 5,765.90

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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.