Home / 11,091.20-16,621.52-4,856.43

Finding the Fourth Proportional to 11,091.20, 16,621.52 and 4,856.43

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Solution

The fourth proportional to 11,091.20, 16,621.52 and 4,856.43 is: 7,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.20 : 16,621.52 = 4,856.43 : x
  2. Step 2: Convert to fraction form
    11,091.20/16,621.52 = 4,856.43/x
  3. Step 3: Cross multiply
    11,091.20x = 16,621.52 × 4,856.43
  4. Step 4: Simplify right side
    11,091.20x = 80,721,260.51
  5. Step 5: Solve for x
    x = 80,721,260.51/11,091.20
  6. Step 6: Final answer
    x = 7,277.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.