Home / 11,942.26-16,481.01-6,636.94

Finding the Fourth Proportional to 11,942.26, 16,481.01 and 6,636.94

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Solution

The fourth proportional to 11,942.26, 16,481.01 and 6,636.94 is: 9,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.26 : 16,481.01 = 6,636.94 : x
  2. Step 2: Convert to fraction form
    11,942.26/16,481.01 = 6,636.94/x
  3. Step 3: Cross multiply
    11,942.26x = 16,481.01 × 6,636.94
  4. Step 4: Simplify right side
    11,942.26x = 109,383,474.51
  5. Step 5: Solve for x
    x = 109,383,474.51/11,942.26
  6. Step 6: Final answer
    x = 9,159.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.