Home / 8,739.91-12,056.33-5,202.43

Finding the Fourth Proportional to 8,739.91, 12,056.33 and 5,202.43

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Solution

The fourth proportional to 8,739.91, 12,056.33 and 5,202.43 is: 7,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.91 : 12,056.33 = 5,202.43 : x
  2. Step 2: Convert to fraction form
    8,739.91/12,056.33 = 5,202.43/x
  3. Step 3: Cross multiply
    8,739.91x = 12,056.33 × 5,202.43
  4. Step 4: Simplify right side
    8,739.91x = 62,722,212.88
  5. Step 5: Solve for x
    x = 62,722,212.88/8,739.91
  6. Step 6: Final answer
    x = 7,176.53

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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.