Home / 11,968.97-16,516.55-6,662.84

Finding the Fourth Proportional to 11,968.97, 16,516.55 and 6,662.84

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Solution

The fourth proportional to 11,968.97, 16,516.55 and 6,662.84 is: 9,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.97 : 16,516.55 = 6,662.84 : x
  2. Step 2: Convert to fraction form
    11,968.97/16,516.55 = 6,662.84/x
  3. Step 3: Cross multiply
    11,968.97x = 16,516.55 × 6,662.84
  4. Step 4: Simplify right side
    11,968.97x = 110,047,096.69
  5. Step 5: Solve for x
    x = 110,047,096.69/11,968.97
  6. Step 6: Final answer
    x = 9,194.37

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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.