Home / 11,144.70-16,718.76-3,747.42

Finding the Fourth Proportional to 11,144.70, 16,718.76 and 3,747.42

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Solution

The fourth proportional to 11,144.70, 16,718.76 and 3,747.42 is: 5,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.70 : 16,718.76 = 3,747.42 : x
  2. Step 2: Convert to fraction form
    11,144.70/16,718.76 = 3,747.42/x
  3. Step 3: Cross multiply
    11,144.70x = 16,718.76 × 3,747.42
  4. Step 4: Simplify right side
    11,144.70x = 62,652,215.60
  5. Step 5: Solve for x
    x = 62,652,215.60/11,144.70
  6. Step 6: Final answer
    x = 5,621.70

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1.5x scale

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.