Home / 11,929.13-17,894.31-3,608.93

Finding the Fourth Proportional to 11,929.13, 17,894.31 and 3,608.93

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Solution

The fourth proportional to 11,929.13, 17,894.31 and 3,608.93 is: 5,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.13 : 17,894.31 = 3,608.93 : x
  2. Step 2: Convert to fraction form
    11,929.13/17,894.31 = 3,608.93/x
  3. Step 3: Cross multiply
    11,929.13x = 17,894.31 × 3,608.93
  4. Step 4: Simplify right side
    11,929.13x = 64,579,222.72
  5. Step 5: Solve for x
    x = 64,579,222.72/11,929.13
  6. Step 6: Final answer
    x = 5,413.58

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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.