Home / 7,742.82-11,612.73-2,194.83

Finding the Fourth Proportional to 7,742.82, 11,612.73 and 2,194.83

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Solution

The fourth proportional to 7,742.82, 11,612.73 and 2,194.83 is: 3,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.82 : 11,612.73 = 2,194.83 : x
  2. Step 2: Convert to fraction form
    7,742.82/11,612.73 = 2,194.83/x
  3. Step 3: Cross multiply
    7,742.82x = 11,612.73 × 2,194.83
  4. Step 4: Simplify right side
    7,742.82x = 25,487,968.19
  5. Step 5: Solve for x
    x = 25,487,968.19/7,742.82
  6. Step 6: Final answer
    x = 3,291.82

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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.