Home / 7,481.09-11,217.72-3,322.35

Finding the Fourth Proportional to 7,481.09, 11,217.72 and 3,322.35

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Solution

The fourth proportional to 7,481.09, 11,217.72 and 3,322.35 is: 4,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.09 : 11,217.72 = 3,322.35 : x
  2. Step 2: Convert to fraction form
    7,481.09/11,217.72 = 3,322.35/x
  3. Step 3: Cross multiply
    7,481.09x = 11,217.72 × 3,322.35
  4. Step 4: Simplify right side
    7,481.09x = 37,269,204.50
  5. Step 5: Solve for x
    x = 37,269,204.50/7,481.09
  6. Step 6: Final answer
    x = 4,981.79

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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.