Home / 12,504.31-17,232.03-8,961.37

Finding the Fourth Proportional to 12,504.31, 17,232.03 and 8,961.37

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Solution

The fourth proportional to 12,504.31, 17,232.03 and 8,961.37 is: 12,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.31 : 17,232.03 = 8,961.37 : x
  2. Step 2: Convert to fraction form
    12,504.31/17,232.03 = 8,961.37/x
  3. Step 3: Cross multiply
    12,504.31x = 17,232.03 × 8,961.37
  4. Step 4: Simplify right side
    12,504.31x = 154,422,553.60
  5. Step 5: Solve for x
    x = 154,422,553.60/12,504.31
  6. Step 6: Final answer
    x = 12,349.55

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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.