Home / 12,645.11-17,444.67-7,606.43

Finding the Fourth Proportional to 12,645.11, 17,444.67 and 7,606.43

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Solution

The fourth proportional to 12,645.11, 17,444.67 and 7,606.43 is: 10,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.11 : 17,444.67 = 7,606.43 : x
  2. Step 2: Convert to fraction form
    12,645.11/17,444.67 = 7,606.43/x
  3. Step 3: Cross multiply
    12,645.11x = 17,444.67 × 7,606.43
  4. Step 4: Simplify right side
    12,645.11x = 132,691,659.96
  5. Step 5: Solve for x
    x = 132,691,659.96/12,645.11
  6. Step 6: Final answer
    x = 10,493.51

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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.