Home / 7,481.45-11,214.20-2,549.36

Finding the Fourth Proportional to 7,481.45, 11,214.20 and 2,549.36

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Solution

The fourth proportional to 7,481.45, 11,214.20 and 2,549.36 is: 3,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.45 : 11,214.20 = 2,549.36 : x
  2. Step 2: Convert to fraction form
    7,481.45/11,214.20 = 2,549.36/x
  3. Step 3: Cross multiply
    7,481.45x = 11,214.20 × 2,549.36
  4. Step 4: Simplify right side
    7,481.45x = 28,588,964.09
  5. Step 5: Solve for x
    x = 28,588,964.09/7,481.45
  6. Step 6: Final answer
    x = 3,821.32

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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.