Home / 9,108.36-13,659.22-3,183.58

Finding the Fourth Proportional to 9,108.36, 13,659.22 and 3,183.58

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Solution

The fourth proportional to 9,108.36, 13,659.22 and 3,183.58 is: 4,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.36 : 13,659.22 = 3,183.58 : x
  2. Step 2: Convert to fraction form
    9,108.36/13,659.22 = 3,183.58/x
  3. Step 3: Cross multiply
    9,108.36x = 13,659.22 × 3,183.58
  4. Step 4: Simplify right side
    9,108.36x = 43,485,219.61
  5. Step 5: Solve for x
    x = 43,485,219.61/9,108.36
  6. Step 6: Final answer
    x = 4,774.21

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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.