Home / 12,175.44-18,248.85-5,602.20

Finding the Fourth Proportional to 12,175.44, 18,248.85 and 5,602.20

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Solution

The fourth proportional to 12,175.44, 18,248.85 and 5,602.20 is: 8,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.44 : 18,248.85 = 5,602.20 : x
  2. Step 2: Convert to fraction form
    12,175.44/18,248.85 = 5,602.20/x
  3. Step 3: Cross multiply
    12,175.44x = 18,248.85 × 5,602.20
  4. Step 4: Simplify right side
    12,175.44x = 102,233,707.47
  5. Step 5: Solve for x
    x = 102,233,707.47/12,175.44
  6. Step 6: Final answer
    x = 8,396.72

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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.