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Finding the Fourth Proportional to 7,097.62, 9,794.82 and 4,113.68

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Solution

The fourth proportional to 7,097.62, 9,794.82 and 4,113.68 is: 5,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.62 : 9,794.82 = 4,113.68 : x
  2. Step 2: Convert to fraction form
    7,097.62/9,794.82 = 4,113.68/x
  3. Step 3: Cross multiply
    7,097.62x = 9,794.82 × 4,113.68
  4. Step 4: Simplify right side
    7,097.62x = 40,292,755.14
  5. Step 5: Solve for x
    x = 40,292,755.14/7,097.62
  6. Step 6: Final answer
    x = 5,676.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.