Home / 12,493.14-17,211.26-8,709.43

Finding the Fourth Proportional to 12,493.14, 17,211.26 and 8,709.43

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Solution

The fourth proportional to 12,493.14, 17,211.26 and 8,709.43 is: 11,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.14 : 17,211.26 = 8,709.43 : x
  2. Step 2: Convert to fraction form
    12,493.14/17,211.26 = 8,709.43/x
  3. Step 3: Cross multiply
    12,493.14x = 17,211.26 × 8,709.43
  4. Step 4: Simplify right side
    12,493.14x = 149,900,264.18
  5. Step 5: Solve for x
    x = 149,900,264.18/12,493.14
  6. Step 6: Final answer
    x = 11,998.61

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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.