Home / 11,157.90-16,736.42-3,366.50

Finding the Fourth Proportional to 11,157.90, 16,736.42 and 3,366.50

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Solution

The fourth proportional to 11,157.90, 16,736.42 and 3,366.50 is: 5,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.90 : 16,736.42 = 3,366.50 : x
  2. Step 2: Convert to fraction form
    11,157.90/16,736.42 = 3,366.50/x
  3. Step 3: Cross multiply
    11,157.90x = 16,736.42 × 3,366.50
  4. Step 4: Simplify right side
    11,157.90x = 56,343,157.93
  5. Step 5: Solve for x
    x = 56,343,157.93/11,157.90
  6. Step 6: Final answer
    x = 5,049.62

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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.