Home / 11,183.67-15,426.99-6,984.63

Finding the Fourth Proportional to 11,183.67, 15,426.99 and 6,984.63

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Solution

The fourth proportional to 11,183.67, 15,426.99 and 6,984.63 is: 9,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.67 : 15,426.99 = 6,984.63 : x
  2. Step 2: Convert to fraction form
    11,183.67/15,426.99 = 6,984.63/x
  3. Step 3: Cross multiply
    11,183.67x = 15,426.99 × 6,984.63
  4. Step 4: Simplify right side
    11,183.67x = 107,751,817.16
  5. Step 5: Solve for x
    x = 107,751,817.16/11,183.67
  6. Step 6: Final answer
    x = 9,634.75

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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.