Home / 11,413.60-17,120.24-3,622.48

Finding the Fourth Proportional to 11,413.60, 17,120.24 and 3,622.48

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Solution

The fourth proportional to 11,413.60, 17,120.24 and 3,622.48 is: 5,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.60 : 17,120.24 = 3,622.48 : x
  2. Step 2: Convert to fraction form
    11,413.60/17,120.24 = 3,622.48/x
  3. Step 3: Cross multiply
    11,413.60x = 17,120.24 × 3,622.48
  4. Step 4: Simplify right side
    11,413.60x = 62,017,727.00
  5. Step 5: Solve for x
    x = 62,017,727.00/11,413.60
  6. Step 6: Final answer
    x = 5,433.67

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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.