Home / 11,584.25-15,986.18-6,278.93

Finding the Fourth Proportional to 11,584.25, 15,986.18 and 6,278.93

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Solution

The fourth proportional to 11,584.25, 15,986.18 and 6,278.93 is: 8,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.25 : 15,986.18 = 6,278.93 : x
  2. Step 2: Convert to fraction form
    11,584.25/15,986.18 = 6,278.93/x
  3. Step 3: Cross multiply
    11,584.25x = 15,986.18 × 6,278.93
  4. Step 4: Simplify right side
    11,584.25x = 100,376,073.79
  5. Step 5: Solve for x
    x = 100,376,073.79/11,584.25
  6. Step 6: Final answer
    x = 8,664.87

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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.