Home / 11,939.35-16,475.97-6,634.03

Finding the Fourth Proportional to 11,939.35, 16,475.97 and 6,634.03

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Solution

The fourth proportional to 11,939.35, 16,475.97 and 6,634.03 is: 9,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.35 : 16,475.97 = 6,634.03 : x
  2. Step 2: Convert to fraction form
    11,939.35/16,475.97 = 6,634.03/x
  3. Step 3: Cross multiply
    11,939.35x = 16,475.97 × 6,634.03
  4. Step 4: Simplify right side
    11,939.35x = 109,302,054.65
  5. Step 5: Solve for x
    x = 109,302,054.65/11,939.35
  6. Step 6: Final answer
    x = 9,154.78

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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.