Home / 8,183.12-11,284.80-5,195.84

Finding the Fourth Proportional to 8,183.12, 11,284.80 and 5,195.84

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Solution

The fourth proportional to 8,183.12, 11,284.80 and 5,195.84 is: 7,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.12 : 11,284.80 = 5,195.84 : x
  2. Step 2: Convert to fraction form
    8,183.12/11,284.80 = 5,195.84/x
  3. Step 3: Cross multiply
    8,183.12x = 11,284.80 × 5,195.84
  4. Step 4: Simplify right side
    8,183.12x = 58,634,015.23
  5. Step 5: Solve for x
    x = 58,634,015.23/8,183.12
  6. Step 6: Final answer
    x = 7,165.24

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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.