Home / 11,170.62-16,754.85-5,621.76

Finding the Fourth Proportional to 11,170.62, 16,754.85 and 5,621.76

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Solution

The fourth proportional to 11,170.62, 16,754.85 and 5,621.76 is: 8,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.62 : 16,754.85 = 5,621.76 : x
  2. Step 2: Convert to fraction form
    11,170.62/16,754.85 = 5,621.76/x
  3. Step 3: Cross multiply
    11,170.62x = 16,754.85 × 5,621.76
  4. Step 4: Simplify right side
    11,170.62x = 94,191,745.54
  5. Step 5: Solve for x
    x = 94,191,745.54/11,170.62
  6. Step 6: Final answer
    x = 8,432.10

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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.