Home / 12,029.88-18,044.22-4,238.04

Finding the Fourth Proportional to 12,029.88, 18,044.22 and 4,238.04

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Solution

The fourth proportional to 12,029.88, 18,044.22 and 4,238.04 is: 6,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.88 : 18,044.22 = 4,238.04 : x
  2. Step 2: Convert to fraction form
    12,029.88/18,044.22 = 4,238.04/x
  3. Step 3: Cross multiply
    12,029.88x = 18,044.22 × 4,238.04
  4. Step 4: Simplify right side
    12,029.88x = 76,472,126.13
  5. Step 5: Solve for x
    x = 76,472,126.13/12,029.88
  6. Step 6: Final answer
    x = 6,356.85

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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.