Home / 12,403.73-17,117.17-6,738.43

Finding the Fourth Proportional to 12,403.73, 17,117.17 and 6,738.43

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Solution

The fourth proportional to 12,403.73, 17,117.17 and 6,738.43 is: 9,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.73 : 17,117.17 = 6,738.43 : x
  2. Step 2: Convert to fraction form
    12,403.73/17,117.17 = 6,738.43/x
  3. Step 3: Cross multiply
    12,403.73x = 17,117.17 × 6,738.43
  4. Step 4: Simplify right side
    12,403.73x = 115,342,766.26
  5. Step 5: Solve for x
    x = 115,342,766.26/12,403.73
  6. Step 6: Final answer
    x = 9,299.04

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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.