Home / 11,992.46-17,992.85-4,100.54

Finding the Fourth Proportional to 11,992.46, 17,992.85 and 4,100.54

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Solution

The fourth proportional to 11,992.46, 17,992.85 and 4,100.54 is: 6,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.46 : 17,992.85 = 4,100.54 : x
  2. Step 2: Convert to fraction form
    11,992.46/17,992.85 = 4,100.54/x
  3. Step 3: Cross multiply
    11,992.46x = 17,992.85 × 4,100.54
  4. Step 4: Simplify right side
    11,992.46x = 73,780,290.67
  5. Step 5: Solve for x
    x = 73,780,290.67/11,992.46
  6. Step 6: Final answer
    x = 6,152.22

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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.