Home / 11,180.20-16,767.06-4,253.08

Finding the Fourth Proportional to 11,180.20, 16,767.06 and 4,253.08

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Solution

The fourth proportional to 11,180.20, 16,767.06 and 4,253.08 is: 6,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.20 : 16,767.06 = 4,253.08 : x
  2. Step 2: Convert to fraction form
    11,180.20/16,767.06 = 4,253.08/x
  3. Step 3: Cross multiply
    11,180.20x = 16,767.06 × 4,253.08
  4. Step 4: Simplify right side
    11,180.20x = 71,311,647.54
  5. Step 5: Solve for x
    x = 71,311,647.54/11,180.20
  6. Step 6: Final answer
    x = 6,378.39

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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.