Home / 7,945.25-11,919.26-3,267.84

Finding the Fourth Proportional to 7,945.25, 11,919.26 and 3,267.84

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Solution

The fourth proportional to 7,945.25, 11,919.26 and 3,267.84 is: 4,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.25 : 11,919.26 = 3,267.84 : x
  2. Step 2: Convert to fraction form
    7,945.25/11,919.26 = 3,267.84/x
  3. Step 3: Cross multiply
    7,945.25x = 11,919.26 × 3,267.84
  4. Step 4: Simplify right side
    7,945.25x = 38,950,242.77
  5. Step 5: Solve for x
    x = 38,950,242.77/7,945.25
  6. Step 6: Final answer
    x = 4,902.33

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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.