Home / 11,934.52-16,469.40-6,629.16

Finding the Fourth Proportional to 11,934.52, 16,469.40 and 6,629.16

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Solution

The fourth proportional to 11,934.52, 16,469.40 and 6,629.16 is: 9,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.52 : 16,469.40 = 6,629.16 : x
  2. Step 2: Convert to fraction form
    11,934.52/16,469.40 = 6,629.16/x
  3. Step 3: Cross multiply
    11,934.52x = 16,469.40 × 6,629.16
  4. Step 4: Simplify right side
    11,934.52x = 109,178,287.70
  5. Step 5: Solve for x
    x = 109,178,287.70/11,934.52
  6. Step 6: Final answer
    x = 9,148.11

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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.