Home / 8,118.34-12,176.11-2,273.56

Finding the Fourth Proportional to 8,118.34, 12,176.11 and 2,273.56

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Solution

The fourth proportional to 8,118.34, 12,176.11 and 2,273.56 is: 3,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.34 : 12,176.11 = 2,273.56 : x
  2. Step 2: Convert to fraction form
    8,118.34/12,176.11 = 2,273.56/x
  3. Step 3: Cross multiply
    8,118.34x = 12,176.11 × 2,273.56
  4. Step 4: Simplify right side
    8,118.34x = 27,683,116.65
  5. Step 5: Solve for x
    x = 27,683,116.65/8,118.34
  6. Step 6: Final answer
    x = 3,409.95

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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.