Home / 11,222.56-16,832.52-3,431.44

Finding the Fourth Proportional to 11,222.56, 16,832.52 and 3,431.44

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Solution

The fourth proportional to 11,222.56, 16,832.52 and 3,431.44 is: 5,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.56 : 16,832.52 = 3,431.44 : x
  2. Step 2: Convert to fraction form
    11,222.56/16,832.52 = 3,431.44/x
  3. Step 3: Cross multiply
    11,222.56x = 16,832.52 × 3,431.44
  4. Step 4: Simplify right side
    11,222.56x = 57,759,782.43
  5. Step 5: Solve for x
    x = 57,759,782.43/11,222.56
  6. Step 6: Final answer
    x = 5,146.76

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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.