Home / 11,934.38-16,469.78-6,629.53

Finding the Fourth Proportional to 11,934.38, 16,469.78 and 6,629.53

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Solution

The fourth proportional to 11,934.38, 16,469.78 and 6,629.53 is: 9,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.38 : 16,469.78 = 6,629.53 : x
  2. Step 2: Convert to fraction form
    11,934.38/16,469.78 = 6,629.53/x
  3. Step 3: Cross multiply
    11,934.38x = 16,469.78 × 6,629.53
  4. Step 4: Simplify right side
    11,934.38x = 109,186,900.60
  5. Step 5: Solve for x
    x = 109,186,900.60/11,934.38
  6. Step 6: Final answer
    x = 9,148.94

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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.