Home / 7,968.96-11,958.89-2,774.84

Finding the Fourth Proportional to 7,968.96, 11,958.89 and 2,774.84

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Solution

The fourth proportional to 7,968.96, 11,958.89 and 2,774.84 is: 4,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.96 : 11,958.89 = 2,774.84 : x
  2. Step 2: Convert to fraction form
    7,968.96/11,958.89 = 2,774.84/x
  3. Step 3: Cross multiply
    7,968.96x = 11,958.89 × 2,774.84
  4. Step 4: Simplify right side
    7,968.96x = 33,183,932.66
  5. Step 5: Solve for x
    x = 33,183,932.66/7,968.96
  6. Step 6: Final answer
    x = 4,164.15

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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.