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Finding the Fourth Proportional to 7,391.16, 11,099.95 and 7,093.87

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Solution

The fourth proportional to 7,391.16, 11,099.95 and 7,093.87 is: 10,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.16 : 11,099.95 = 7,093.87 : x
  2. Step 2: Convert to fraction form
    7,391.16/11,099.95 = 7,093.87/x
  3. Step 3: Cross multiply
    7,391.16x = 11,099.95 × 7,093.87
  4. Step 4: Simplify right side
    7,391.16x = 78,741,556.82
  5. Step 5: Solve for x
    x = 78,741,556.82/7,391.16
  6. Step 6: Final answer
    x = 10,653.48

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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.