Home / 7,498.54-11,249.39-2,818.59

Finding the Fourth Proportional to 7,498.54, 11,249.39 and 2,818.59

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Solution

The fourth proportional to 7,498.54, 11,249.39 and 2,818.59 is: 4,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.54 : 11,249.39 = 2,818.59 : x
  2. Step 2: Convert to fraction form
    7,498.54/11,249.39 = 2,818.59/x
  3. Step 3: Cross multiply
    7,498.54x = 11,249.39 × 2,818.59
  4. Step 4: Simplify right side
    7,498.54x = 31,707,425.21
  5. Step 5: Solve for x
    x = 31,707,425.21/7,498.54
  6. Step 6: Final answer
    x = 4,228.48

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Half scale
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Double 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.