Home / 11,185.33-15,435.77-6,149.88

Finding the Fourth Proportional to 11,185.33, 15,435.77 and 6,149.88

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Solution

The fourth proportional to 11,185.33, 15,435.77 and 6,149.88 is: 8,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.33 : 15,435.77 = 6,149.88 : x
  2. Step 2: Convert to fraction form
    11,185.33/15,435.77 = 6,149.88/x
  3. Step 3: Cross multiply
    11,185.33x = 15,435.77 × 6,149.88
  4. Step 4: Simplify right side
    11,185.33x = 94,928,025.28
  5. Step 5: Solve for x
    x = 94,928,025.28/11,185.33
  6. Step 6: Final answer
    x = 8,486.83

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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.