Home / 12,469.92-17,202.24-8,493.36

Finding the Fourth Proportional to 12,469.92, 17,202.24 and 8,493.36

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Solution

The fourth proportional to 12,469.92, 17,202.24 and 8,493.36 is: 11,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.92 : 17,202.24 = 8,493.36 : x
  2. Step 2: Convert to fraction form
    12,469.92/17,202.24 = 8,493.36/x
  3. Step 3: Cross multiply
    12,469.92x = 17,202.24 × 8,493.36
  4. Step 4: Simplify right side
    12,469.92x = 146,104,817.13
  5. Step 5: Solve for x
    x = 146,104,817.13/12,469.92
  6. Step 6: Final answer
    x = 11,716.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.