Home / 12,350.49-17,046.20-8,372.88

Finding the Fourth Proportional to 12,350.49, 17,046.20 and 8,372.88

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Solution

The fourth proportional to 12,350.49, 17,046.20 and 8,372.88 is: 11,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.49 : 17,046.20 = 8,372.88 : x
  2. Step 2: Convert to fraction form
    12,350.49/17,046.20 = 8,372.88/x
  3. Step 3: Cross multiply
    12,350.49x = 17,046.20 × 8,372.88
  4. Step 4: Simplify right side
    12,350.49x = 142,725,745.19
  5. Step 5: Solve for x
    x = 142,725,745.19/12,350.49
  6. Step 6: Final answer
    x = 11,556.28

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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.