Home / 8,025.19-12,042.79-3,865.64

Finding the Fourth Proportional to 8,025.19, 12,042.79 and 3,865.64

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Solution

The fourth proportional to 8,025.19, 12,042.79 and 3,865.64 is: 5,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.19 : 12,042.79 = 3,865.64 : x
  2. Step 2: Convert to fraction form
    8,025.19/12,042.79 = 3,865.64/x
  3. Step 3: Cross multiply
    8,025.19x = 12,042.79 × 3,865.64
  4. Step 4: Simplify right side
    8,025.19x = 46,553,020.86
  5. Step 5: Solve for x
    x = 46,553,020.86/8,025.19
  6. Step 6: Final answer
    x = 5,800.86

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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.