Home / 11,629.76-16,049.08-6,324.56

Finding the Fourth Proportional to 11,629.76, 16,049.08 and 6,324.56

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Solution

The fourth proportional to 11,629.76, 16,049.08 and 6,324.56 is: 8,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.76 : 16,049.08 = 6,324.56 : x
  2. Step 2: Convert to fraction form
    11,629.76/16,049.08 = 6,324.56/x
  3. Step 3: Cross multiply
    11,629.76x = 16,049.08 × 6,324.56
  4. Step 4: Simplify right side
    11,629.76x = 101,503,369.40
  5. Step 5: Solve for x
    x = 101,503,369.40/11,629.76
  6. Step 6: Final answer
    x = 8,727.90

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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.