Home / 11,982.55-17,973.87-3,662.54

Finding the Fourth Proportional to 11,982.55, 17,973.87 and 3,662.54

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Solution

The fourth proportional to 11,982.55, 17,973.87 and 3,662.54 is: 5,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.55 : 17,973.87 = 3,662.54 : x
  2. Step 2: Convert to fraction form
    11,982.55/17,973.87 = 3,662.54/x
  3. Step 3: Cross multiply
    11,982.55x = 17,973.87 × 3,662.54
  4. Step 4: Simplify right side
    11,982.55x = 65,829,977.78
  5. Step 5: Solve for x
    x = 65,829,977.78/11,982.55
  6. Step 6: Final answer
    x = 5,493.82

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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.