Home / 11,612.88-17,413.80-5,371.02

Finding the Fourth Proportional to 11,612.88, 17,413.80 and 5,371.02

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Solution

The fourth proportional to 11,612.88, 17,413.80 and 5,371.02 is: 8,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.88 : 17,413.80 = 5,371.02 : x
  2. Step 2: Convert to fraction form
    11,612.88/17,413.80 = 5,371.02/x
  3. Step 3: Cross multiply
    11,612.88x = 17,413.80 × 5,371.02
  4. Step 4: Simplify right side
    11,612.88x = 93,529,868.08
  5. Step 5: Solve for x
    x = 93,529,868.08/11,612.88
  6. Step 6: Final answer
    x = 8,053.98

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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.