Home / 11,413.15-17,112.39-4,837.57

Finding the Fourth Proportional to 11,413.15, 17,112.39 and 4,837.57

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Solution

The fourth proportional to 11,413.15, 17,112.39 and 4,837.57 is: 7,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.15 : 17,112.39 = 4,837.57 : x
  2. Step 2: Convert to fraction form
    11,413.15/17,112.39 = 4,837.57/x
  3. Step 3: Cross multiply
    11,413.15x = 17,112.39 × 4,837.57
  4. Step 4: Simplify right side
    11,413.15x = 82,782,384.49
  5. Step 5: Solve for x
    x = 82,782,384.49/11,413.15
  6. Step 6: Final answer
    x = 7,253.25

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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.