Home / 12,079.27-16,660.96-11,672.85

Finding the Fourth Proportional to 12,079.27, 16,660.96 and 11,672.85

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Solution

The fourth proportional to 12,079.27, 16,660.96 and 11,672.85 is: 16,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.27 : 16,660.96 = 11,672.85 : x
  2. Step 2: Convert to fraction form
    12,079.27/16,660.96 = 11,672.85/x
  3. Step 3: Cross multiply
    12,079.27x = 16,660.96 × 11,672.85
  4. Step 4: Simplify right side
    12,079.27x = 194,480,920.23
  5. Step 5: Solve for x
    x = 194,480,920.23/12,079.27
  6. Step 6: Final answer
    x = 16,100.39

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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.