Home / 11,612.45-17,413.36-3,713.43

Finding the Fourth Proportional to 11,612.45, 17,413.36 and 3,713.43

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Solution

The fourth proportional to 11,612.45, 17,413.36 and 3,713.43 is: 5,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.45 : 17,413.36 = 3,713.43 : x
  2. Step 2: Convert to fraction form
    11,612.45/17,413.36 = 3,713.43/x
  3. Step 3: Cross multiply
    11,612.45x = 17,413.36 × 3,713.43
  4. Step 4: Simplify right side
    11,612.45x = 64,663,274.86
  5. Step 5: Solve for x
    x = 64,663,274.86/11,612.45
  6. Step 6: Final answer
    x = 5,568.45

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1.5x scale

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.