Home / 12,383.88-18,575.17-4,062.80

Finding the Fourth Proportional to 12,383.88, 18,575.17 and 4,062.80

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Solution

The fourth proportional to 12,383.88, 18,575.17 and 4,062.80 is: 6,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.88 : 18,575.17 = 4,062.80 : x
  2. Step 2: Convert to fraction form
    12,383.88/18,575.17 = 4,062.80/x
  3. Step 3: Cross multiply
    12,383.88x = 18,575.17 × 4,062.80
  4. Step 4: Simplify right side
    12,383.88x = 75,467,200.68
  5. Step 5: Solve for x
    x = 75,467,200.68/12,383.88
  6. Step 6: Final answer
    x = 6,093.99

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1.5x scale

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.