Home / 12,029.12-16,600.13-6,723.90

Finding the Fourth Proportional to 12,029.12, 16,600.13 and 6,723.90

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Solution

The fourth proportional to 12,029.12, 16,600.13 and 6,723.90 is: 9,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.12 : 16,600.13 = 6,723.90 : x
  2. Step 2: Convert to fraction form
    12,029.12/16,600.13 = 6,723.90/x
  3. Step 3: Cross multiply
    12,029.12x = 16,600.13 × 6,723.90
  4. Step 4: Simplify right side
    12,029.12x = 111,617,614.11
  5. Step 5: Solve for x
    x = 111,617,614.11/12,029.12
  6. Step 6: Final answer
    x = 9,278.95

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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.