Home / 11,157.30-16,736.39-3,366.11

Finding the Fourth Proportional to 11,157.30, 16,736.39 and 3,366.11

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Solution

The fourth proportional to 11,157.30, 16,736.39 and 3,366.11 is: 5,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.30 : 16,736.39 = 3,366.11 : x
  2. Step 2: Convert to fraction form
    11,157.30/16,736.39 = 3,366.11/x
  3. Step 3: Cross multiply
    11,157.30x = 16,736.39 × 3,366.11
  4. Step 4: Simplify right side
    11,157.30x = 56,336,429.23
  5. Step 5: Solve for x
    x = 56,336,429.23/11,157.30
  6. Step 6: Final answer
    x = 5,049.29

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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.