Home / 9,190.60-12,682.66-5,413.93

Finding the Fourth Proportional to 9,190.60, 12,682.66 and 5,413.93

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Solution

The fourth proportional to 9,190.60, 12,682.66 and 5,413.93 is: 7,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.60 : 12,682.66 = 5,413.93 : x
  2. Step 2: Convert to fraction form
    9,190.60/12,682.66 = 5,413.93/x
  3. Step 3: Cross multiply
    9,190.60x = 12,682.66 × 5,413.93
  4. Step 4: Simplify right side
    9,190.60x = 68,663,033.45
  5. Step 5: Solve for x
    x = 68,663,033.45/9,190.60
  6. Step 6: Final answer
    x = 7,471.01

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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.