Home / 7,449.39-11,173.41-2,519.07

Finding the Fourth Proportional to 7,449.39, 11,173.41 and 2,519.07

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Solution

The fourth proportional to 7,449.39, 11,173.41 and 2,519.07 is: 3,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.39 : 11,173.41 = 2,519.07 : x
  2. Step 2: Convert to fraction form
    7,449.39/11,173.41 = 2,519.07/x
  3. Step 3: Cross multiply
    7,449.39x = 11,173.41 × 2,519.07
  4. Step 4: Simplify right side
    7,449.39x = 28,146,643.68
  5. Step 5: Solve for x
    x = 28,146,643.68/7,449.39
  6. Step 6: Final answer
    x = 3,778.38

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Half scale
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Similar ratio
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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.