Home / 12,500.82-17,235.45-8,016.66

Finding the Fourth Proportional to 12,500.82, 17,235.45 and 8,016.66

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Solution

The fourth proportional to 12,500.82, 17,235.45 and 8,016.66 is: 11,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.82 : 17,235.45 = 8,016.66 : x
  2. Step 2: Convert to fraction form
    12,500.82/17,235.45 = 8,016.66/x
  3. Step 3: Cross multiply
    12,500.82x = 17,235.45 × 8,016.66
  4. Step 4: Simplify right side
    12,500.82x = 138,170,742.60
  5. Step 5: Solve for x
    x = 138,170,742.60/12,500.82
  6. Step 6: Final answer
    x = 11,052.93

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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.