Home / 8,144.15-12,212.57-2,596.38

Finding the Fourth Proportional to 8,144.15, 12,212.57 and 2,596.38

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Solution

The fourth proportional to 8,144.15, 12,212.57 and 2,596.38 is: 3,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.15 : 12,212.57 = 2,596.38 : x
  2. Step 2: Convert to fraction form
    8,144.15/12,212.57 = 2,596.38/x
  3. Step 3: Cross multiply
    8,144.15x = 12,212.57 × 2,596.38
  4. Step 4: Simplify right side
    8,144.15x = 31,708,467.54
  5. Step 5: Solve for x
    x = 31,708,467.54/8,144.15
  6. Step 6: Final answer
    x = 3,893.41

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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.