Home / 8,204.76-12,306.78-2,361.20

Finding the Fourth Proportional to 8,204.76, 12,306.78 and 2,361.20

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Solution

The fourth proportional to 8,204.76, 12,306.78 and 2,361.20 is: 3,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.76 : 12,306.78 = 2,361.20 : x
  2. Step 2: Convert to fraction form
    8,204.76/12,306.78 = 2,361.20/x
  3. Step 3: Cross multiply
    8,204.76x = 12,306.78 × 2,361.20
  4. Step 4: Simplify right side
    8,204.76x = 29,058,707.40
  5. Step 5: Solve for x
    x = 29,058,707.40/8,204.76
  6. Step 6: Final answer
    x = 3,541.69

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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.