Home / 12,199.24-18,302.55-5,175.58

Finding the Fourth Proportional to 12,199.24, 18,302.55 and 5,175.58

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Solution

The fourth proportional to 12,199.24, 18,302.55 and 5,175.58 is: 7,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.24 : 18,302.55 = 5,175.58 : x
  2. Step 2: Convert to fraction form
    12,199.24/18,302.55 = 5,175.58/x
  3. Step 3: Cross multiply
    12,199.24x = 18,302.55 × 5,175.58
  4. Step 4: Simplify right side
    12,199.24x = 94,726,311.73
  5. Step 5: Solve for x
    x = 94,726,311.73/12,199.24
  6. Step 6: Final answer
    x = 7,764.94

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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.