Home / 11,174.82-16,764.96-7,894.32

Finding the Fourth Proportional to 11,174.82, 16,764.96 and 7,894.32

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Solution

The fourth proportional to 11,174.82, 16,764.96 and 7,894.32 is: 11,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.82 : 16,764.96 = 7,894.32 : x
  2. Step 2: Convert to fraction form
    11,174.82/16,764.96 = 7,894.32/x
  3. Step 3: Cross multiply
    11,174.82x = 16,764.96 × 7,894.32
  4. Step 4: Simplify right side
    11,174.82x = 132,347,959.03
  5. Step 5: Solve for x
    x = 132,347,959.03/11,174.82
  6. Step 6: Final answer
    x = 11,843.41

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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.