Home / 11,179.73-15,427.61-6,211.73

Finding the Fourth Proportional to 11,179.73, 15,427.61 and 6,211.73

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Solution

The fourth proportional to 11,179.73, 15,427.61 and 6,211.73 is: 8,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.73 : 15,427.61 = 6,211.73 : x
  2. Step 2: Convert to fraction form
    11,179.73/15,427.61 = 6,211.73/x
  3. Step 3: Cross multiply
    11,179.73x = 15,427.61 × 6,211.73
  4. Step 4: Simplify right side
    11,179.73x = 95,832,116.81
  5. Step 5: Solve for x
    x = 95,832,116.81/11,179.73
  6. Step 6: Final answer
    x = 8,571.95

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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.