Home / 11,396.20-17,096.70-3,605.80

Finding the Fourth Proportional to 11,396.20, 17,096.70 and 3,605.80

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Solution

The fourth proportional to 11,396.20, 17,096.70 and 3,605.80 is: 5,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.20 : 17,096.70 = 3,605.80 : x
  2. Step 2: Convert to fraction form
    11,396.20/17,096.70 = 3,605.80/x
  3. Step 3: Cross multiply
    11,396.20x = 17,096.70 × 3,605.80
  4. Step 4: Simplify right side
    11,396.20x = 61,647,280.86
  5. Step 5: Solve for x
    x = 61,647,280.86/11,396.20
  6. Step 6: Final answer
    x = 5,409.46

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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.