Home / 8,020.94-12,031.66-2,177.68

Finding the Fourth Proportional to 8,020.94, 12,031.66 and 2,177.68

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Solution

The fourth proportional to 8,020.94, 12,031.66 and 2,177.68 is: 3,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.94 : 12,031.66 = 2,177.68 : x
  2. Step 2: Convert to fraction form
    8,020.94/12,031.66 = 2,177.68/x
  3. Step 3: Cross multiply
    8,020.94x = 12,031.66 × 2,177.68
  4. Step 4: Simplify right side
    8,020.94x = 26,201,105.35
  5. Step 5: Solve for x
    x = 26,201,105.35/8,020.94
  6. Step 6: Final answer
    x = 3,266.59

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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.