Home / 12,662.82-17,474.54-6,997.50

Finding the Fourth Proportional to 12,662.82, 17,474.54 and 6,997.50

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Solution

The fourth proportional to 12,662.82, 17,474.54 and 6,997.50 is: 9,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.82 : 17,474.54 = 6,997.50 : x
  2. Step 2: Convert to fraction form
    12,662.82/17,474.54 = 6,997.50/x
  3. Step 3: Cross multiply
    12,662.82x = 17,474.54 × 6,997.50
  4. Step 4: Simplify right side
    12,662.82x = 122,278,058.66
  5. Step 5: Solve for x
    x = 122,278,058.66/12,662.82
  6. Step 6: Final answer
    x = 9,656.46

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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.