Home / 11,968.73-16,516.39-6,663.44

Finding the Fourth Proportional to 11,968.73, 16,516.39 and 6,663.44

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Solution

The fourth proportional to 11,968.73, 16,516.39 and 6,663.44 is: 9,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.73 : 16,516.39 = 6,663.44 : x
  2. Step 2: Convert to fraction form
    11,968.73/16,516.39 = 6,663.44/x
  3. Step 3: Cross multiply
    11,968.73x = 16,516.39 × 6,663.44
  4. Step 4: Simplify right side
    11,968.73x = 110,055,973.78
  5. Step 5: Solve for x
    x = 110,055,973.78/11,968.73
  6. Step 6: Final answer
    x = 9,195.29

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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.