Home / 11,454.82-15,786.26-8,932.95

Finding the Fourth Proportional to 11,454.82, 15,786.26 and 8,932.95

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Solution

The fourth proportional to 11,454.82, 15,786.26 and 8,932.95 is: 12,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.82 : 15,786.26 = 8,932.95 : x
  2. Step 2: Convert to fraction form
    11,454.82/15,786.26 = 8,932.95/x
  3. Step 3: Cross multiply
    11,454.82x = 15,786.26 × 8,932.95
  4. Step 4: Simplify right side
    11,454.82x = 141,017,860.10
  5. Step 5: Solve for x
    x = 141,017,860.10/11,454.82
  6. Step 6: Final answer
    x = 12,310.79

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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.