Home / 11,177.28-16,768.08-3,782.94

Finding the Fourth Proportional to 11,177.28, 16,768.08 and 3,782.94

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Solution

The fourth proportional to 11,177.28, 16,768.08 and 3,782.94 is: 5,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.28 : 16,768.08 = 3,782.94 : x
  2. Step 2: Convert to fraction form
    11,177.28/16,768.08 = 3,782.94/x
  3. Step 3: Cross multiply
    11,177.28x = 16,768.08 × 3,782.94
  4. Step 4: Simplify right side
    11,177.28x = 63,432,640.56
  5. Step 5: Solve for x
    x = 63,432,640.56/11,177.28
  6. Step 6: Final answer
    x = 5,675.14

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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.