Home / 8,582.14-12,872.13-2,738.26

Finding the Fourth Proportional to 8,582.14, 12,872.13 and 2,738.26

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Solution

The fourth proportional to 8,582.14, 12,872.13 and 2,738.26 is: 4,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.14 : 12,872.13 = 2,738.26 : x
  2. Step 2: Convert to fraction form
    8,582.14/12,872.13 = 2,738.26/x
  3. Step 3: Cross multiply
    8,582.14x = 12,872.13 × 2,738.26
  4. Step 4: Simplify right side
    8,582.14x = 35,247,238.69
  5. Step 5: Solve for x
    x = 35,247,238.69/8,582.14
  6. Step 6: Final answer
    x = 4,107.05

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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.