Home / 12,542.73-18,815.11-6,299.53

Finding the Fourth Proportional to 12,542.73, 18,815.11 and 6,299.53

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Solution

The fourth proportional to 12,542.73, 18,815.11 and 6,299.53 is: 9,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.73 : 18,815.11 = 6,299.53 : x
  2. Step 2: Convert to fraction form
    12,542.73/18,815.11 = 6,299.53/x
  3. Step 3: Cross multiply
    12,542.73x = 18,815.11 × 6,299.53
  4. Step 4: Simplify right side
    12,542.73x = 118,526,255.82
  5. Step 5: Solve for x
    x = 118,526,255.82/12,542.73
  6. Step 6: Final answer
    x = 9,449.80

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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.