Home / 11,204.31-16,806.47-3,413.13

Finding the Fourth Proportional to 11,204.31, 16,806.47 and 3,413.13

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Solution

The fourth proportional to 11,204.31, 16,806.47 and 3,413.13 is: 5,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.31 : 16,806.47 = 3,413.13 : x
  2. Step 2: Convert to fraction form
    11,204.31/16,806.47 = 3,413.13/x
  3. Step 3: Cross multiply
    11,204.31x = 16,806.47 × 3,413.13
  4. Step 4: Simplify right side
    11,204.31x = 57,362,666.95
  5. Step 5: Solve for x
    x = 57,362,666.95/11,204.31
  6. Step 6: Final answer
    x = 5,119.70

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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.