Home / 8,412.24-11,608.44-4,686

Finding the Fourth Proportional to 8,412.24, 11,608.44 and 4,686

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Solution

The fourth proportional to 8,412.24, 11,608.44 and 4,686 is: 6,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.24 : 11,608.44 = 4,686 : x
  2. Step 2: Convert to fraction form
    8,412.24/11,608.44 = 4,686/x
  3. Step 3: Cross multiply
    8,412.24x = 11,608.44 × 4,686
  4. Step 4: Simplify right side
    8,412.24x = 54,397,149.84
  5. Step 5: Solve for x
    x = 54,397,149.84/8,412.24
  6. Step 6: Final answer
    x = 6,466.43

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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.