Home / 9,661.22-14,490.62-3,086.86

Finding the Fourth Proportional to 9,661.22, 14,490.62 and 3,086.86

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Solution

The fourth proportional to 9,661.22, 14,490.62 and 3,086.86 is: 4,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.22 : 14,490.62 = 3,086.86 : x
  2. Step 2: Convert to fraction form
    9,661.22/14,490.62 = 3,086.86/x
  3. Step 3: Cross multiply
    9,661.22x = 14,490.62 × 3,086.86
  4. Step 4: Simplify right side
    9,661.22x = 44,730,515.25
  5. Step 5: Solve for x
    x = 44,730,515.25/9,661.22
  6. Step 6: Final answer
    x = 4,629.90

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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.