Home / 11,432.73-17,149.40-3,112.82

Finding the Fourth Proportional to 11,432.73, 17,149.40 and 3,112.82

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Solution

The fourth proportional to 11,432.73, 17,149.40 and 3,112.82 is: 4,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.73 : 17,149.40 = 3,112.82 : x
  2. Step 2: Convert to fraction form
    11,432.73/17,149.40 = 3,112.82/x
  3. Step 3: Cross multiply
    11,432.73x = 17,149.40 × 3,112.82
  4. Step 4: Simplify right side
    11,432.73x = 53,382,995.31
  5. Step 5: Solve for x
    x = 53,382,995.31/11,432.73
  6. Step 6: Final answer
    x = 4,669.31

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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.