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Finding the Fourth Proportional to 7,396.70, 11,093.43 and 3,498.98

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Solution

The fourth proportional to 7,396.70, 11,093.43 and 3,498.98 is: 5,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.70 : 11,093.43 = 3,498.98 : x
  2. Step 2: Convert to fraction form
    7,396.70/11,093.43 = 3,498.98/x
  3. Step 3: Cross multiply
    7,396.70x = 11,093.43 × 3,498.98
  4. Step 4: Simplify right side
    7,396.70x = 38,815,689.70
  5. Step 5: Solve for x
    x = 38,815,689.70/7,396.70
  6. Step 6: Final answer
    x = 5,247.70

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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.