Home / 11,168.89-15,413.09-6,132.31

Finding the Fourth Proportional to 11,168.89, 15,413.09 and 6,132.31

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Solution

The fourth proportional to 11,168.89, 15,413.09 and 6,132.31 is: 8,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.89 : 15,413.09 = 6,132.31 : x
  2. Step 2: Convert to fraction form
    11,168.89/15,413.09 = 6,132.31/x
  3. Step 3: Cross multiply
    11,168.89x = 15,413.09 × 6,132.31
  4. Step 4: Simplify right side
    11,168.89x = 94,517,776.74
  5. Step 5: Solve for x
    x = 94,517,776.74/11,168.89
  6. Step 6: Final answer
    x = 8,462.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.