Home / 11,413.56-17,108.64-4,391.64

Finding the Fourth Proportional to 11,413.56, 17,108.64 and 4,391.64

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Solution

The fourth proportional to 11,413.56, 17,108.64 and 4,391.64 is: 6,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.56 : 17,108.64 = 4,391.64 : x
  2. Step 2: Convert to fraction form
    11,413.56/17,108.64 = 4,391.64/x
  3. Step 3: Cross multiply
    11,413.56x = 17,108.64 × 4,391.64
  4. Step 4: Simplify right side
    11,413.56x = 75,134,987.77
  5. Step 5: Solve for x
    x = 75,134,987.77/11,413.56
  6. Step 6: Final answer
    x = 6,582.96

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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.