Home / 11,413.08-15,745.36-6,936.11

Finding the Fourth Proportional to 11,413.08, 15,745.36 and 6,936.11

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Solution

The fourth proportional to 11,413.08, 15,745.36 and 6,936.11 is: 9,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.08 : 15,745.36 = 6,936.11 : x
  2. Step 2: Convert to fraction form
    11,413.08/15,745.36 = 6,936.11/x
  3. Step 3: Cross multiply
    11,413.08x = 15,745.36 × 6,936.11
  4. Step 4: Simplify right side
    11,413.08x = 109,211,548.95
  5. Step 5: Solve for x
    x = 109,211,548.95/11,413.08
  6. Step 6: Final answer
    x = 9,568.98

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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.