Home / 11,514.45-15,893.51-8,858.73

Finding the Fourth Proportional to 11,514.45, 15,893.51 and 8,858.73

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Solution

The fourth proportional to 11,514.45, 15,893.51 and 8,858.73 is: 12,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.45 : 15,893.51 = 8,858.73 : x
  2. Step 2: Convert to fraction form
    11,514.45/15,893.51 = 8,858.73/x
  3. Step 3: Cross multiply
    11,514.45x = 15,893.51 × 8,858.73
  4. Step 4: Simplify right side
    11,514.45x = 140,796,313.84
  5. Step 5: Solve for x
    x = 140,796,313.84/11,514.45
  6. Step 6: Final answer
    x = 12,227.79

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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.