Home / 8,020.32-12,032.04-2,472.72

Finding the Fourth Proportional to 8,020.32, 12,032.04 and 2,472.72

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Solution

The fourth proportional to 8,020.32, 12,032.04 and 2,472.72 is: 3,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.32 : 12,032.04 = 2,472.72 : x
  2. Step 2: Convert to fraction form
    8,020.32/12,032.04 = 2,472.72/x
  3. Step 3: Cross multiply
    8,020.32x = 12,032.04 × 2,472.72
  4. Step 4: Simplify right side
    8,020.32x = 29,751,865.95
  5. Step 5: Solve for x
    x = 29,751,865.95/8,020.32
  6. Step 6: Final answer
    x = 3,709.56

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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.