Home / 11,612.70-17,413.73-3,713.68

Finding the Fourth Proportional to 11,612.70, 17,413.73 and 3,713.68

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Solution

The fourth proportional to 11,612.70, 17,413.73 and 3,713.68 is: 5,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.70 : 17,413.73 = 3,713.68 : x
  2. Step 2: Convert to fraction form
    11,612.70/17,413.73 = 3,713.68/x
  3. Step 3: Cross multiply
    11,612.70x = 17,413.73 × 3,713.68
  4. Step 4: Simplify right side
    11,612.70x = 64,668,958.72
  5. Step 5: Solve for x
    x = 64,668,958.72/11,612.70
  6. Step 6: Final answer
    x = 5,568.81

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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.