Home / 11,707.49-17,561.05-2,942.41

Finding the Fourth Proportional to 11,707.49, 17,561.05 and 2,942.41

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Solution

The fourth proportional to 11,707.49, 17,561.05 and 2,942.41 is: 4,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.49 : 17,561.05 = 2,942.41 : x
  2. Step 2: Convert to fraction form
    11,707.49/17,561.05 = 2,942.41/x
  3. Step 3: Cross multiply
    11,707.49x = 17,561.05 × 2,942.41
  4. Step 4: Simplify right side
    11,707.49x = 51,671,809.13
  5. Step 5: Solve for x
    x = 51,671,809.13/11,707.49
  6. Step 6: Final answer
    x = 4,413.57

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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.