Home / 8,217.54-12,328.38-2,374.11

Finding the Fourth Proportional to 8,217.54, 12,328.38 and 2,374.11

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Solution

The fourth proportional to 8,217.54, 12,328.38 and 2,374.11 is: 3,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.54 : 12,328.38 = 2,374.11 : x
  2. Step 2: Convert to fraction form
    8,217.54/12,328.38 = 2,374.11/x
  3. Step 3: Cross multiply
    8,217.54x = 12,328.38 × 2,374.11
  4. Step 4: Simplify right side
    8,217.54x = 29,268,930.24
  5. Step 5: Solve for x
    x = 29,268,930.24/8,217.54
  6. Step 6: Final answer
    x = 3,561.76

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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.