Home / 11,185.41-16,774.38-4,520.19

Finding the Fourth Proportional to 11,185.41, 16,774.38 and 4,520.19

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Solution

The fourth proportional to 11,185.41, 16,774.38 and 4,520.19 is: 6,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.41 : 16,774.38 = 4,520.19 : x
  2. Step 2: Convert to fraction form
    11,185.41/16,774.38 = 4,520.19/x
  3. Step 3: Cross multiply
    11,185.41x = 16,774.38 × 4,520.19
  4. Step 4: Simplify right side
    11,185.41x = 75,823,384.73
  5. Step 5: Solve for x
    x = 75,823,384.73/11,185.41
  6. Step 6: Final answer
    x = 6,778.78

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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.