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Finding the Fourth Proportional to 6,236.68, 9,353.16 and 5,138.32

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Solution

The fourth proportional to 6,236.68, 9,353.16 and 5,138.32 is: 7,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.68 : 9,353.16 = 5,138.32 : x
  2. Step 2: Convert to fraction form
    6,236.68/9,353.16 = 5,138.32/x
  3. Step 3: Cross multiply
    6,236.68x = 9,353.16 × 5,138.32
  4. Step 4: Simplify right side
    6,236.68x = 48,059,529.09
  5. Step 5: Solve for x
    x = 48,059,529.09/6,236.68
  6. Step 6: Final answer
    x = 7,705.95

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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.