Home / 8,031.95-12,042.78-3,863.66

Finding the Fourth Proportional to 8,031.95, 12,042.78 and 3,863.66

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Solution

The fourth proportional to 8,031.95, 12,042.78 and 3,863.66 is: 5,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.95 : 12,042.78 = 3,863.66 : x
  2. Step 2: Convert to fraction form
    8,031.95/12,042.78 = 3,863.66/x
  3. Step 3: Cross multiply
    8,031.95x = 12,042.78 × 3,863.66
  4. Step 4: Simplify right side
    8,031.95x = 46,529,207.37
  5. Step 5: Solve for x
    x = 46,529,207.37/8,031.95
  6. Step 6: Final answer
    x = 5,793.02

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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.