Home / 8,257.34-12,388.05-3,327.01

Finding the Fourth Proportional to 8,257.34, 12,388.05 and 3,327.01

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Solution

The fourth proportional to 8,257.34, 12,388.05 and 3,327.01 is: 4,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.34 : 12,388.05 = 3,327.01 : x
  2. Step 2: Convert to fraction form
    8,257.34/12,388.05 = 3,327.01/x
  3. Step 3: Cross multiply
    8,257.34x = 12,388.05 × 3,327.01
  4. Step 4: Simplify right side
    8,257.34x = 41,215,166.23
  5. Step 5: Solve for x
    x = 41,215,166.23/8,257.34
  6. Step 6: Final answer
    x = 4,991.34

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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.