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Finding the Fourth Proportional to 9,693.92, 13,374.10 and 6,338.67

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Solution

The fourth proportional to 9,693.92, 13,374.10 and 6,338.67 is: 8,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.92 : 13,374.10 = 6,338.67 : x
  2. Step 2: Convert to fraction form
    9,693.92/13,374.10 = 6,338.67/x
  3. Step 3: Cross multiply
    9,693.92x = 13,374.10 × 6,338.67
  4. Step 4: Simplify right side
    9,693.92x = 84,774,015.33
  5. Step 5: Solve for x
    x = 84,774,015.33/9,693.92
  6. Step 6: Final answer
    x = 8,745.07

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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.