Home / 8,126.01-12,186.51-3,445.92

Finding the Fourth Proportional to 8,126.01, 12,186.51 and 3,445.92

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Solution

The fourth proportional to 8,126.01, 12,186.51 and 3,445.92 is: 5,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.01 : 12,186.51 = 3,445.92 : x
  2. Step 2: Convert to fraction form
    8,126.01/12,186.51 = 3,445.92/x
  3. Step 3: Cross multiply
    8,126.01x = 12,186.51 × 3,445.92
  4. Step 4: Simplify right side
    8,126.01x = 41,993,738.54
  5. Step 5: Solve for x
    x = 41,993,738.54/8,126.01
  6. Step 6: Final answer
    x = 5,167.82

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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.