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Finding the Fourth Proportional to 11,168.46, 15,413.04 and 6,132.63

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Solution

The fourth proportional to 11,168.46, 15,413.04 and 6,132.63 is: 8,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.46 : 15,413.04 = 6,132.63 : x
  2. Step 2: Convert to fraction form
    11,168.46/15,413.04 = 6,132.63/x
  3. Step 3: Cross multiply
    11,168.46x = 15,413.04 × 6,132.63
  4. Step 4: Simplify right side
    11,168.46x = 94,522,471.50
  5. Step 5: Solve for x
    x = 94,522,471.50/11,168.46
  6. Step 6: Final answer
    x = 8,463.34

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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.