Home / 8,228.30-12,344.37-2,385.02

Finding the Fourth Proportional to 8,228.30, 12,344.37 and 2,385.02

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Solution

The fourth proportional to 8,228.30, 12,344.37 and 2,385.02 is: 3,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.30 : 12,344.37 = 2,385.02 : x
  2. Step 2: Convert to fraction form
    8,228.30/12,344.37 = 2,385.02/x
  3. Step 3: Cross multiply
    8,228.30x = 12,344.37 × 2,385.02
  4. Step 4: Simplify right side
    8,228.30x = 29,441,569.34
  5. Step 5: Solve for x
    x = 29,441,569.34/8,228.30
  6. Step 6: Final answer
    x = 3,578.09

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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.