Home / 11,227.12-16,840.73-2,906.55

Finding the Fourth Proportional to 11,227.12, 16,840.73 and 2,906.55

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Solution

The fourth proportional to 11,227.12, 16,840.73 and 2,906.55 is: 4,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.12 : 16,840.73 = 2,906.55 : x
  2. Step 2: Convert to fraction form
    11,227.12/16,840.73 = 2,906.55/x
  3. Step 3: Cross multiply
    11,227.12x = 16,840.73 × 2,906.55
  4. Step 4: Simplify right side
    11,227.12x = 48,948,431.05
  5. Step 5: Solve for x
    x = 48,948,431.05/11,227.12
  6. Step 6: Final answer
    x = 4,359.84

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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.