Home / 11,006.20-15,180.76-6,757.48

Finding the Fourth Proportional to 11,006.20, 15,180.76 and 6,757.48

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Solution

The fourth proportional to 11,006.20, 15,180.76 and 6,757.48 is: 9,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.20 : 15,180.76 = 6,757.48 : x
  2. Step 2: Convert to fraction form
    11,006.20/15,180.76 = 6,757.48/x
  3. Step 3: Cross multiply
    11,006.20x = 15,180.76 × 6,757.48
  4. Step 4: Simplify right side
    11,006.20x = 102,583,682.08
  5. Step 5: Solve for x
    x = 102,583,682.08/11,006.20
  6. Step 6: Final answer
    x = 9,320.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.