Home / 8,026.75-12,039.35-2,478.60

Finding the Fourth Proportional to 8,026.75, 12,039.35 and 2,478.60

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Solution

The fourth proportional to 8,026.75, 12,039.35 and 2,478.60 is: 3,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.75 : 12,039.35 = 2,478.60 : x
  2. Step 2: Convert to fraction form
    8,026.75/12,039.35 = 2,478.60/x
  3. Step 3: Cross multiply
    8,026.75x = 12,039.35 × 2,478.60
  4. Step 4: Simplify right side
    8,026.75x = 29,840,732.91
  5. Step 5: Solve for x
    x = 29,840,732.91/8,026.75
  6. Step 6: Final answer
    x = 3,717.66

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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.