Home / 11,964.12-16,517.91-7,717.26

Finding the Fourth Proportional to 11,964.12, 16,517.91 and 7,717.26

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Solution

The fourth proportional to 11,964.12, 16,517.91 and 7,717.26 is: 10,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.12 : 16,517.91 = 7,717.26 : x
  2. Step 2: Convert to fraction form
    11,964.12/16,517.91 = 7,717.26/x
  3. Step 3: Cross multiply
    11,964.12x = 16,517.91 × 7,717.26
  4. Step 4: Simplify right side
    11,964.12x = 127,473,006.13
  5. Step 5: Solve for x
    x = 127,473,006.13/11,964.12
  6. Step 6: Final answer
    x = 10,654.61

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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.