Home / 8,028.96-12,042.24-2,185.92

Finding the Fourth Proportional to 8,028.96, 12,042.24 and 2,185.92

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Solution

The fourth proportional to 8,028.96, 12,042.24 and 2,185.92 is: 3,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.96 : 12,042.24 = 2,185.92 : x
  2. Step 2: Convert to fraction form
    8,028.96/12,042.24 = 2,185.92/x
  3. Step 3: Cross multiply
    8,028.96x = 12,042.24 × 2,185.92
  4. Step 4: Simplify right side
    8,028.96x = 26,323,373.26
  5. Step 5: Solve for x
    x = 26,323,373.26/8,028.96
  6. Step 6: Final answer
    x = 3,278.55

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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.