Home / 9,414.73-12,992.44-5,166.17

Finding the Fourth Proportional to 9,414.73, 12,992.44 and 5,166.17

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Solution

The fourth proportional to 9,414.73, 12,992.44 and 5,166.17 is: 7,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.73 : 12,992.44 = 5,166.17 : x
  2. Step 2: Convert to fraction form
    9,414.73/12,992.44 = 5,166.17/x
  3. Step 3: Cross multiply
    9,414.73x = 12,992.44 × 5,166.17
  4. Step 4: Simplify right side
    9,414.73x = 67,121,088.79
  5. Step 5: Solve for x
    x = 67,121,088.79/9,414.73
  6. Step 6: Final answer
    x = 7,129.37

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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.