Home / 8,021.70-12,023.24-3,339.09

Finding the Fourth Proportional to 8,021.70, 12,023.24 and 3,339.09

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Solution

The fourth proportional to 8,021.70, 12,023.24 and 3,339.09 is: 5,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.70 : 12,023.24 = 3,339.09 : x
  2. Step 2: Convert to fraction form
    8,021.70/12,023.24 = 3,339.09/x
  3. Step 3: Cross multiply
    8,021.70x = 12,023.24 × 3,339.09
  4. Step 4: Simplify right side
    8,021.70x = 40,146,663.76
  5. Step 5: Solve for x
    x = 40,146,663.76/8,021.70
  6. Step 6: Final answer
    x = 5,004.76

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1.5x scale

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.