Home / 11,288.44-16,932.66-5,445.64

Finding the Fourth Proportional to 11,288.44, 16,932.66 and 5,445.64

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Solution

The fourth proportional to 11,288.44, 16,932.66 and 5,445.64 is: 8,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.44 : 16,932.66 = 5,445.64 : x
  2. Step 2: Convert to fraction form
    11,288.44/16,932.66 = 5,445.64/x
  3. Step 3: Cross multiply
    11,288.44x = 16,932.66 × 5,445.64
  4. Step 4: Simplify right side
    11,288.44x = 92,209,170.60
  5. Step 5: Solve for x
    x = 92,209,170.60/11,288.44
  6. Step 6: Final answer
    x = 8,168.46

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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.