Home / 8,125.69-12,179.32-3,734.07

Finding the Fourth Proportional to 8,125.69, 12,179.32 and 3,734.07

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Solution

The fourth proportional to 8,125.69, 12,179.32 and 3,734.07 is: 5,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.69 : 12,179.32 = 3,734.07 : x
  2. Step 2: Convert to fraction form
    8,125.69/12,179.32 = 3,734.07/x
  3. Step 3: Cross multiply
    8,125.69x = 12,179.32 × 3,734.07
  4. Step 4: Simplify right side
    8,125.69x = 45,478,424.10
  5. Step 5: Solve for x
    x = 45,478,424.10/8,125.69
  6. Step 6: Final answer
    x = 5,596.87

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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.