Home / 11,157.39-16,735.68-3,366

Finding the Fourth Proportional to 11,157.39, 16,735.68 and 3,366

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Solution

The fourth proportional to 11,157.39, 16,735.68 and 3,366 is: 5,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.39 : 16,735.68 = 3,366 : x
  2. Step 2: Convert to fraction form
    11,157.39/16,735.68 = 3,366/x
  3. Step 3: Cross multiply
    11,157.39x = 16,735.68 × 3,366
  4. Step 4: Simplify right side
    11,157.39x = 56,332,298.88
  5. Step 5: Solve for x
    x = 56,332,298.88/11,157.39
  6. Step 6: Final answer
    x = 5,048.88

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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.