Home / 11,992.32-17,996.49-4,201.16

Finding the Fourth Proportional to 11,992.32, 17,996.49 and 4,201.16

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Solution

The fourth proportional to 11,992.32, 17,996.49 and 4,201.16 is: 6,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.32 : 17,996.49 = 4,201.16 : x
  2. Step 2: Convert to fraction form
    11,992.32/17,996.49 = 4,201.16/x
  3. Step 3: Cross multiply
    11,992.32x = 17,996.49 × 4,201.16
  4. Step 4: Simplify right side
    11,992.32x = 75,606,043.95
  5. Step 5: Solve for x
    x = 75,606,043.95/11,992.32
  6. Step 6: Final answer
    x = 6,304.54

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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.