Home / 11,229.83-16,844.74-3,438.64

Finding the Fourth Proportional to 11,229.83, 16,844.74 and 3,438.64

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Solution

The fourth proportional to 11,229.83, 16,844.74 and 3,438.64 is: 5,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.83 : 16,844.74 = 3,438.64 : x
  2. Step 2: Convert to fraction form
    11,229.83/16,844.74 = 3,438.64/x
  3. Step 3: Cross multiply
    11,229.83x = 16,844.74 × 3,438.64
  4. Step 4: Simplify right side
    11,229.83x = 57,922,996.75
  5. Step 5: Solve for x
    x = 57,922,996.75/11,229.83
  6. Step 6: Final answer
    x = 5,157.96

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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.