Home / 8,083.95-12,124.54-2,239.20

Finding the Fourth Proportional to 8,083.95, 12,124.54 and 2,239.20

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Solution

The fourth proportional to 8,083.95, 12,124.54 and 2,239.20 is: 3,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.95 : 12,124.54 = 2,239.20 : x
  2. Step 2: Convert to fraction form
    8,083.95/12,124.54 = 2,239.20/x
  3. Step 3: Cross multiply
    8,083.95x = 12,124.54 × 2,239.20
  4. Step 4: Simplify right side
    8,083.95x = 27,149,269.97
  5. Step 5: Solve for x
    x = 27,149,269.97/8,083.95
  6. Step 6: Final answer
    x = 3,358.42

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1.5x scale

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.