Home / 11,472.12-17,202.48-3,679.92

Finding the Fourth Proportional to 11,472.12, 17,202.48 and 3,679.92

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Solution

The fourth proportional to 11,472.12, 17,202.48 and 3,679.92 is: 5,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.12 : 17,202.48 = 3,679.92 : x
  2. Step 2: Convert to fraction form
    11,472.12/17,202.48 = 3,679.92/x
  3. Step 3: Cross multiply
    11,472.12x = 17,202.48 × 3,679.92
  4. Step 4: Simplify right side
    11,472.12x = 63,303,750.20
  5. Step 5: Solve for x
    x = 63,303,750.20/11,472.12
  6. Step 6: Final answer
    x = 5,518.05

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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.