Home / 11,771.44-17,661.72-5,192.98

Finding the Fourth Proportional to 11,771.44, 17,661.72 and 5,192.98

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Solution

The fourth proportional to 11,771.44, 17,661.72 and 5,192.98 is: 7,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.44 : 17,661.72 = 5,192.98 : x
  2. Step 2: Convert to fraction form
    11,771.44/17,661.72 = 5,192.98/x
  3. Step 3: Cross multiply
    11,771.44x = 17,661.72 × 5,192.98
  4. Step 4: Simplify right side
    11,771.44x = 91,716,958.73
  5. Step 5: Solve for x
    x = 91,716,958.73/11,771.44
  6. Step 6: Final answer
    x = 7,791.48

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1.5x scale

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.