Home / 11,629.68-16,049.26-6,324.80

Finding the Fourth Proportional to 11,629.68, 16,049.26 and 6,324.80

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Solution

The fourth proportional to 11,629.68, 16,049.26 and 6,324.80 is: 8,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.68 : 16,049.26 = 6,324.80 : x
  2. Step 2: Convert to fraction form
    11,629.68/16,049.26 = 6,324.80/x
  3. Step 3: Cross multiply
    11,629.68x = 16,049.26 × 6,324.80
  4. Step 4: Simplify right side
    11,629.68x = 101,508,359.65
  5. Step 5: Solve for x
    x = 101,508,359.65/11,629.68
  6. Step 6: Final answer
    x = 8,728.39

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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.