Home / 8,235.33-12,355.31-3,308.43

Finding the Fourth Proportional to 8,235.33, 12,355.31 and 3,308.43

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Solution

The fourth proportional to 8,235.33, 12,355.31 and 3,308.43 is: 4,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.33 : 12,355.31 = 3,308.43 : x
  2. Step 2: Convert to fraction form
    8,235.33/12,355.31 = 3,308.43/x
  3. Step 3: Cross multiply
    8,235.33x = 12,355.31 × 3,308.43
  4. Step 4: Simplify right side
    8,235.33x = 40,876,678.26
  5. Step 5: Solve for x
    x = 40,876,678.26/8,235.33
  6. Step 6: Final answer
    x = 4,963.58

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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.