Home / 11,584.12-15,986.15-6,278.92

Finding the Fourth Proportional to 11,584.12, 15,986.15 and 6,278.92

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Solution

The fourth proportional to 11,584.12, 15,986.15 and 6,278.92 is: 8,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.12 : 15,986.15 = 6,278.92 : x
  2. Step 2: Convert to fraction form
    11,584.12/15,986.15 = 6,278.92/x
  3. Step 3: Cross multiply
    11,584.12x = 15,986.15 × 6,278.92
  4. Step 4: Simplify right side
    11,584.12x = 100,375,756.96
  5. Step 5: Solve for x
    x = 100,375,756.96/11,584.12
  6. Step 6: Final answer
    x = 8,664.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.