Home / 7,413.47-11,121.51-2,483.60

Finding the Fourth Proportional to 7,413.47, 11,121.51 and 2,483.60

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Solution

The fourth proportional to 7,413.47, 11,121.51 and 2,483.60 is: 3,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.47 : 11,121.51 = 2,483.60 : x
  2. Step 2: Convert to fraction form
    7,413.47/11,121.51 = 2,483.60/x
  3. Step 3: Cross multiply
    7,413.47x = 11,121.51 × 2,483.60
  4. Step 4: Simplify right side
    7,413.47x = 27,621,382.24
  5. Step 5: Solve for x
    x = 27,621,382.24/7,413.47
  6. Step 6: Final answer
    x = 3,725.84

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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.