Home / 11,729.77-16,188.25-6,694.76

Finding the Fourth Proportional to 11,729.77, 16,188.25 and 6,694.76

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Solution

The fourth proportional to 11,729.77, 16,188.25 and 6,694.76 is: 9,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.77 : 16,188.25 = 6,694.76 : x
  2. Step 2: Convert to fraction form
    11,729.77/16,188.25 = 6,694.76/x
  3. Step 3: Cross multiply
    11,729.77x = 16,188.25 × 6,694.76
  4. Step 4: Simplify right side
    11,729.77x = 108,376,367.63
  5. Step 5: Solve for x
    x = 108,376,367.63/11,729.77
  6. Step 6: Final answer
    x = 9,239.43

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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.