Home / 11,930.88-16,462.62-6,625.56

Finding the Fourth Proportional to 11,930.88, 16,462.62 and 6,625.56

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Solution

The fourth proportional to 11,930.88, 16,462.62 and 6,625.56 is: 9,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.88 : 16,462.62 = 6,625.56 : x
  2. Step 2: Convert to fraction form
    11,930.88/16,462.62 = 6,625.56/x
  3. Step 3: Cross multiply
    11,930.88x = 16,462.62 × 6,625.56
  4. Step 4: Simplify right side
    11,930.88x = 109,074,076.57
  5. Step 5: Solve for x
    x = 109,074,076.57/11,930.88
  6. Step 6: Final answer
    x = 9,142.17

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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.