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Finding the Fourth Proportional to 7,896.07, 11,834.38 and 3,998.35

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Solution

The fourth proportional to 7,896.07, 11,834.38 and 3,998.35 is: 5,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.07 : 11,834.38 = 3,998.35 : x
  2. Step 2: Convert to fraction form
    7,896.07/11,834.38 = 3,998.35/x
  3. Step 3: Cross multiply
    7,896.07x = 11,834.38 × 3,998.35
  4. Step 4: Simplify right side
    7,896.07x = 47,317,993.27
  5. Step 5: Solve for x
    x = 47,317,993.27/7,896.07
  6. Step 6: Final answer
    x = 5,992.60

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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.