Home / 8,199.33-11,317.83-5,331.93

Finding the Fourth Proportional to 8,199.33, 11,317.83 and 5,331.93

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Solution

The fourth proportional to 8,199.33, 11,317.83 and 5,331.93 is: 7,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.33 : 11,317.83 = 5,331.93 : x
  2. Step 2: Convert to fraction form
    8,199.33/11,317.83 = 5,331.93/x
  3. Step 3: Cross multiply
    8,199.33x = 11,317.83 × 5,331.93
  4. Step 4: Simplify right side
    8,199.33x = 60,345,814.88
  5. Step 5: Solve for x
    x = 60,345,814.88/8,199.33
  6. Step 6: Final answer
    x = 7,359.85

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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.