Home / 8,214.75-12,322.19-2,371.41

Finding the Fourth Proportional to 8,214.75, 12,322.19 and 2,371.41

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Solution

The fourth proportional to 8,214.75, 12,322.19 and 2,371.41 is: 3,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.75 : 12,322.19 = 2,371.41 : x
  2. Step 2: Convert to fraction form
    8,214.75/12,322.19 = 2,371.41/x
  3. Step 3: Cross multiply
    8,214.75x = 12,322.19 × 2,371.41
  4. Step 4: Simplify right side
    8,214.75x = 29,220,970.52
  5. Step 5: Solve for x
    x = 29,220,970.52/8,214.75
  6. Step 6: Final answer
    x = 3,557.13

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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.