Home / 12,447.75-17,180.27-7,414.92

Finding the Fourth Proportional to 12,447.75, 17,180.27 and 7,414.92

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Solution

The fourth proportional to 12,447.75, 17,180.27 and 7,414.92 is: 10,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.75 : 17,180.27 = 7,414.92 : x
  2. Step 2: Convert to fraction form
    12,447.75/17,180.27 = 7,414.92/x
  3. Step 3: Cross multiply
    12,447.75x = 17,180.27 × 7,414.92
  4. Step 4: Simplify right side
    12,447.75x = 127,390,327.63
  5. Step 5: Solve for x
    x = 127,390,327.63/12,447.75
  6. Step 6: Final answer
    x = 10,234.00

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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.