Home / 8,231.24-11,357.38-5,435.08

Finding the Fourth Proportional to 8,231.24, 11,357.38 and 5,435.08

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Solution

The fourth proportional to 8,231.24, 11,357.38 and 5,435.08 is: 7,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.24 : 11,357.38 = 5,435.08 : x
  2. Step 2: Convert to fraction form
    8,231.24/11,357.38 = 5,435.08/x
  3. Step 3: Cross multiply
    8,231.24x = 11,357.38 × 5,435.08
  4. Step 4: Simplify right side
    8,231.24x = 61,728,268.89
  5. Step 5: Solve for x
    x = 61,728,268.89/8,231.24
  6. Step 6: Final answer
    x = 7,499.27

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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.