Home / 11,934.39-16,469.13-6,629.07

Finding the Fourth Proportional to 11,934.39, 16,469.13 and 6,629.07

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Solution

The fourth proportional to 11,934.39, 16,469.13 and 6,629.07 is: 9,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.39 : 16,469.13 = 6,629.07 : x
  2. Step 2: Convert to fraction form
    11,934.39/16,469.13 = 6,629.07/x
  3. Step 3: Cross multiply
    11,934.39x = 16,469.13 × 6,629.07
  4. Step 4: Simplify right side
    11,934.39x = 109,175,015.61
  5. Step 5: Solve for x
    x = 109,175,015.61/11,934.39
  6. Step 6: Final answer
    x = 9,147.93

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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.