Home / 11,729.16-16,186.05-6,694.94

Finding the Fourth Proportional to 11,729.16, 16,186.05 and 6,694.94

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Solution

The fourth proportional to 11,729.16, 16,186.05 and 6,694.94 is: 9,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.16 : 16,186.05 = 6,694.94 : x
  2. Step 2: Convert to fraction form
    11,729.16/16,186.05 = 6,694.94/x
  3. Step 3: Cross multiply
    11,729.16x = 16,186.05 × 6,694.94
  4. Step 4: Simplify right side
    11,729.16x = 108,364,674.05
  5. Step 5: Solve for x
    x = 108,364,674.05/11,729.16
  6. Step 6: Final answer
    x = 9,238.91

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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.