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Finding the Fourth Proportional to 7,847.94, 11,772.11 and 3,465.44

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Solution

The fourth proportional to 7,847.94, 11,772.11 and 3,465.44 is: 5,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.94 : 11,772.11 = 3,465.44 : x
  2. Step 2: Convert to fraction form
    7,847.94/11,772.11 = 3,465.44/x
  3. Step 3: Cross multiply
    7,847.94x = 11,772.11 × 3,465.44
  4. Step 4: Simplify right side
    7,847.94x = 40,795,490.68
  5. Step 5: Solve for x
    x = 40,795,490.68/7,847.94
  6. Step 6: Final answer
    x = 5,198.24

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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.