Home / 12,175.24-18,264.30-7,796.20

Finding the Fourth Proportional to 12,175.24, 18,264.30 and 7,796.20

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Solution

The fourth proportional to 12,175.24, 18,264.30 and 7,796.20 is: 11,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.24 : 18,264.30 = 7,796.20 : x
  2. Step 2: Convert to fraction form
    12,175.24/18,264.30 = 7,796.20/x
  3. Step 3: Cross multiply
    12,175.24x = 18,264.30 × 7,796.20
  4. Step 4: Simplify right side
    12,175.24x = 142,392,135.66
  5. Step 5: Solve for x
    x = 142,392,135.66/12,175.24
  6. Step 6: Final answer
    x = 11,695.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.