Home / 12,662.44-17,474.10-6,997.58

Finding the Fourth Proportional to 12,662.44, 17,474.10 and 6,997.58

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Solution

The fourth proportional to 12,662.44, 17,474.10 and 6,997.58 is: 9,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.44 : 17,474.10 = 6,997.58 : x
  2. Step 2: Convert to fraction form
    12,662.44/17,474.10 = 6,997.58/x
  3. Step 3: Cross multiply
    12,662.44x = 17,474.10 × 6,997.58
  4. Step 4: Simplify right side
    12,662.44x = 122,276,521.93
  5. Step 5: Solve for x
    x = 122,276,521.93/12,662.44
  6. Step 6: Final answer
    x = 9,656.63

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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.