Home / 11,463.79-17,198.68-3,968.91

Finding the Fourth Proportional to 11,463.79, 17,198.68 and 3,968.91

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Solution

The fourth proportional to 11,463.79, 17,198.68 and 3,968.91 is: 5,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.79 : 17,198.68 = 3,968.91 : x
  2. Step 2: Convert to fraction form
    11,463.79/17,198.68 = 3,968.91/x
  3. Step 3: Cross multiply
    11,463.79x = 17,198.68 × 3,968.91
  4. Step 4: Simplify right side
    11,463.79x = 68,259,962.19
  5. Step 5: Solve for x
    x = 68,259,962.19/11,463.79
  6. Step 6: Final answer
    x = 5,954.40

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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.