Home / 7,968.14-11,952.83-2,421.97

Finding the Fourth Proportional to 7,968.14, 11,952.83 and 2,421.97

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Solution

The fourth proportional to 7,968.14, 11,952.83 and 2,421.97 is: 3,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.14 : 11,952.83 = 2,421.97 : x
  2. Step 2: Convert to fraction form
    7,968.14/11,952.83 = 2,421.97/x
  3. Step 3: Cross multiply
    7,968.14x = 11,952.83 × 2,421.97
  4. Step 4: Simplify right side
    7,968.14x = 28,949,371.85
  5. Step 5: Solve for x
    x = 28,949,371.85/7,968.14
  6. Step 6: Final answer
    x = 3,633.14

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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.