Home / 8,029.15-12,042.49-2,186.21

Finding the Fourth Proportional to 8,029.15, 12,042.49 and 2,186.21

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Solution

The fourth proportional to 8,029.15, 12,042.49 and 2,186.21 is: 3,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.15 : 12,042.49 = 2,186.21 : x
  2. Step 2: Convert to fraction form
    8,029.15/12,042.49 = 2,186.21/x
  3. Step 3: Cross multiply
    8,029.15x = 12,042.49 × 2,186.21
  4. Step 4: Simplify right side
    8,029.15x = 26,327,412.06
  5. Step 5: Solve for x
    x = 26,327,412.06/8,029.15
  6. Step 6: Final answer
    x = 3,278.98

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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.