Home / 10,119.94-15,182.34-3,194.44

Finding the Fourth Proportional to 10,119.94, 15,182.34 and 3,194.44

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Solution

The fourth proportional to 10,119.94, 15,182.34 and 3,194.44 is: 4,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.94 : 15,182.34 = 3,194.44 : x
  2. Step 2: Convert to fraction form
    10,119.94/15,182.34 = 3,194.44/x
  3. Step 3: Cross multiply
    10,119.94x = 15,182.34 × 3,194.44
  4. Step 4: Simplify right side
    10,119.94x = 48,499,024.25
  5. Step 5: Solve for x
    x = 48,499,024.25/10,119.94
  6. Step 6: Final answer
    x = 4,792.42

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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.