Home / 8,179.24-12,262.36-3,559

Finding the Fourth Proportional to 8,179.24, 12,262.36 and 3,559

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Solution

The fourth proportional to 8,179.24, 12,262.36 and 3,559 is: 5,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.24 : 12,262.36 = 3,559 : x
  2. Step 2: Convert to fraction form
    8,179.24/12,262.36 = 3,559/x
  3. Step 3: Cross multiply
    8,179.24x = 12,262.36 × 3,559
  4. Step 4: Simplify right side
    8,179.24x = 43,641,739.24
  5. Step 5: Solve for x
    x = 43,641,739.24/8,179.24
  6. Step 6: Final answer
    x = 5,335.67

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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.