Home / 10,119.50-15,179.26-3,194

Finding the Fourth Proportional to 10,119.50, 15,179.26 and 3,194

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Solution

The fourth proportional to 10,119.50, 15,179.26 and 3,194 is: 4,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.50 : 15,179.26 = 3,194 : x
  2. Step 2: Convert to fraction form
    10,119.50/15,179.26 = 3,194/x
  3. Step 3: Cross multiply
    10,119.50x = 15,179.26 × 3,194
  4. Step 4: Simplify right side
    10,119.50x = 48,482,556.44
  5. Step 5: Solve for x
    x = 48,482,556.44/10,119.50
  6. Step 6: Final answer
    x = 4,791.00

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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.