Home / 7,413.02-11,119.32-2,148.02

Finding the Fourth Proportional to 7,413.02, 11,119.32 and 2,148.02

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Solution

The fourth proportional to 7,413.02, 11,119.32 and 2,148.02 is: 3,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.02 : 11,119.32 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    7,413.02/11,119.32 = 2,148.02/x
  3. Step 3: Cross multiply
    7,413.02x = 11,119.32 × 2,148.02
  4. Step 4: Simplify right side
    7,413.02x = 23,884,466.15
  5. Step 5: Solve for x
    x = 23,884,466.15/7,413.02
  6. Step 6: Final answer
    x = 3,221.96

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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.