Home / 11,739.16-17,597.78-3,942.50

Finding the Fourth Proportional to 11,739.16, 17,597.78 and 3,942.50

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Solution

The fourth proportional to 11,739.16, 17,597.78 and 3,942.50 is: 5,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.16 : 17,597.78 = 3,942.50 : x
  2. Step 2: Convert to fraction form
    11,739.16/17,597.78 = 3,942.50/x
  3. Step 3: Cross multiply
    11,739.16x = 17,597.78 × 3,942.50
  4. Step 4: Simplify right side
    11,739.16x = 69,379,247.65
  5. Step 5: Solve for x
    x = 69,379,247.65/11,739.16
  6. Step 6: Final answer
    x = 5,910.07

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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.