Home / 11,939.22-17,908.83-3,731.22

Finding the Fourth Proportional to 11,939.22, 17,908.83 and 3,731.22

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Solution

The fourth proportional to 11,939.22, 17,908.83 and 3,731.22 is: 5,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.22 : 17,908.83 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    11,939.22/17,908.83 = 3,731.22/x
  3. Step 3: Cross multiply
    11,939.22x = 17,908.83 × 3,731.22
  4. Step 4: Simplify right side
    11,939.22x = 66,821,784.67
  5. Step 5: Solve for x
    x = 66,821,784.67/11,939.22
  6. Step 6: Final answer
    x = 5,596.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.