Home / 11,126.36-15,357.84-6,413.96

Finding the Fourth Proportional to 11,126.36, 15,357.84 and 6,413.96

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Solution

The fourth proportional to 11,126.36, 15,357.84 and 6,413.96 is: 8,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.36 : 15,357.84 = 6,413.96 : x
  2. Step 2: Convert to fraction form
    11,126.36/15,357.84 = 6,413.96/x
  3. Step 3: Cross multiply
    11,126.36x = 15,357.84 × 6,413.96
  4. Step 4: Simplify right side
    11,126.36x = 98,504,571.45
  5. Step 5: Solve for x
    x = 98,504,571.45/11,126.36
  6. Step 6: Final answer
    x = 8,853.26

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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.