Home / 8,134.24-12,204.60-4,237.60

Finding the Fourth Proportional to 8,134.24, 12,204.60 and 4,237.60

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Solution

The fourth proportional to 8,134.24, 12,204.60 and 4,237.60 is: 6,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.24 : 12,204.60 = 4,237.60 : x
  2. Step 2: Convert to fraction form
    8,134.24/12,204.60 = 4,237.60/x
  3. Step 3: Cross multiply
    8,134.24x = 12,204.60 × 4,237.60
  4. Step 4: Simplify right side
    8,134.24x = 51,718,212.96
  5. Step 5: Solve for x
    x = 51,718,212.96/8,134.24
  6. Step 6: Final answer
    x = 6,358.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.