Home / 12,793.27-19,195.47-4,479.25

Finding the Fourth Proportional to 12,793.27, 19,195.47 and 4,479.25

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Solution

The fourth proportional to 12,793.27, 19,195.47 and 4,479.25 is: 6,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.27 : 19,195.47 = 4,479.25 : x
  2. Step 2: Convert to fraction form
    12,793.27/19,195.47 = 4,479.25/x
  3. Step 3: Cross multiply
    12,793.27x = 19,195.47 × 4,479.25
  4. Step 4: Simplify right side
    12,793.27x = 85,981,309.00
  5. Step 5: Solve for x
    x = 85,981,309.00/12,793.27
  6. Step 6: Final answer
    x = 6,720.82

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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.