Home / 8,242.74-11,371.82-4,704.08

Finding the Fourth Proportional to 8,242.74, 11,371.82 and 4,704.08

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Solution

The fourth proportional to 8,242.74, 11,371.82 and 4,704.08 is: 6,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.74 : 11,371.82 = 4,704.08 : x
  2. Step 2: Convert to fraction form
    8,242.74/11,371.82 = 4,704.08/x
  3. Step 3: Cross multiply
    8,242.74x = 11,371.82 × 4,704.08
  4. Step 4: Simplify right side
    8,242.74x = 53,493,870.65
  5. Step 5: Solve for x
    x = 53,493,870.65/8,242.74
  6. Step 6: Final answer
    x = 6,489.82

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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.