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Finding the Fourth Proportional to 7,093.93, 9,789.21 and 5,213.41

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Solution

The fourth proportional to 7,093.93, 9,789.21 and 5,213.41 is: 7,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.93 : 9,789.21 = 5,213.41 : x
  2. Step 2: Convert to fraction form
    7,093.93/9,789.21 = 5,213.41/x
  3. Step 3: Cross multiply
    7,093.93x = 9,789.21 × 5,213.41
  4. Step 4: Simplify right side
    7,093.93x = 51,035,165.31
  5. Step 5: Solve for x
    x = 51,035,165.31/7,093.93
  6. Step 6: Final answer
    x = 7,194.20

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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.