Home / 8,542.08-12,805.32-3,346.68

Finding the Fourth Proportional to 8,542.08, 12,805.32 and 3,346.68

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Solution

The fourth proportional to 8,542.08, 12,805.32 and 3,346.68 is: 5,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.08 : 12,805.32 = 3,346.68 : x
  2. Step 2: Convert to fraction form
    8,542.08/12,805.32 = 3,346.68/x
  3. Step 3: Cross multiply
    8,542.08x = 12,805.32 × 3,346.68
  4. Step 4: Simplify right side
    8,542.08x = 42,855,308.34
  5. Step 5: Solve for x
    x = 42,855,308.34/8,542.08
  6. Step 6: Final answer
    x = 5,016.96

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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.