Home / 6,717.24-9,269.78-3,922.74

Finding the Fourth Proportional to 6,717.24, 9,269.78 and 3,922.74

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Solution

The fourth proportional to 6,717.24, 9,269.78 and 3,922.74 is: 5,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.24 : 9,269.78 = 3,922.74 : x
  2. Step 2: Convert to fraction form
    6,717.24/9,269.78 = 3,922.74/x
  3. Step 3: Cross multiply
    6,717.24x = 9,269.78 × 3,922.74
  4. Step 4: Simplify right side
    6,717.24x = 36,362,917.18
  5. Step 5: Solve for x
    x = 36,362,917.18/6,717.24
  6. Step 6: Final answer
    x = 5,413.37

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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.