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Finding the Fourth Proportional to 7,390.66, 11,086.15 and 1,843.94

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Solution

The fourth proportional to 7,390.66, 11,086.15 and 1,843.94 is: 2,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.66 : 11,086.15 = 1,843.94 : x
  2. Step 2: Convert to fraction form
    7,390.66/11,086.15 = 1,843.94/x
  3. Step 3: Cross multiply
    7,390.66x = 11,086.15 × 1,843.94
  4. Step 4: Simplify right side
    7,390.66x = 20,442,195.43
  5. Step 5: Solve for x
    x = 20,442,195.43/7,390.66
  6. Step 6: Final answer
    x = 2,765.95

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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.