Home / 11,766.13-16,238.39-6,729.36

Finding the Fourth Proportional to 11,766.13, 16,238.39 and 6,729.36

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Solution

The fourth proportional to 11,766.13, 16,238.39 and 6,729.36 is: 9,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.13 : 16,238.39 = 6,729.36 : x
  2. Step 2: Convert to fraction form
    11,766.13/16,238.39 = 6,729.36/x
  3. Step 3: Cross multiply
    11,766.13x = 16,238.39 × 6,729.36
  4. Step 4: Simplify right side
    11,766.13x = 109,273,972.13
  5. Step 5: Solve for x
    x = 109,273,972.13/11,766.13
  6. Step 6: Final answer
    x = 9,287.16

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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.