Home / 11,288.32-16,931.31-3,497.20

Finding the Fourth Proportional to 11,288.32, 16,931.31 and 3,497.20

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Solution

The fourth proportional to 11,288.32, 16,931.31 and 3,497.20 is: 5,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.32 : 16,931.31 = 3,497.20 : x
  2. Step 2: Convert to fraction form
    11,288.32/16,931.31 = 3,497.20/x
  3. Step 3: Cross multiply
    11,288.32x = 16,931.31 × 3,497.20
  4. Step 4: Simplify right side
    11,288.32x = 59,212,177.33
  5. Step 5: Solve for x
    x = 59,212,177.33/11,288.32
  6. Step 6: Final answer
    x = 5,245.44

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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.