Home / 11,512.80-17,269.25-3,193.47

Finding the Fourth Proportional to 11,512.80, 17,269.25 and 3,193.47

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Solution

The fourth proportional to 11,512.80, 17,269.25 and 3,193.47 is: 4,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.80 : 17,269.25 = 3,193.47 : x
  2. Step 2: Convert to fraction form
    11,512.80/17,269.25 = 3,193.47/x
  3. Step 3: Cross multiply
    11,512.80x = 17,269.25 × 3,193.47
  4. Step 4: Simplify right side
    11,512.80x = 55,148,815.83
  5. Step 5: Solve for x
    x = 55,148,815.83/11,512.80
  6. Step 6: Final answer
    x = 4,790.22

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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.