Home / 11,039.64-16,558.98-2,719.26

Finding the Fourth Proportional to 11,039.64, 16,558.98 and 2,719.26

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Solution

The fourth proportional to 11,039.64, 16,558.98 and 2,719.26 is: 4,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.64 : 16,558.98 = 2,719.26 : x
  2. Step 2: Convert to fraction form
    11,039.64/16,558.98 = 2,719.26/x
  3. Step 3: Cross multiply
    11,039.64x = 16,558.98 × 2,719.26
  4. Step 4: Simplify right side
    11,039.64x = 45,028,171.95
  5. Step 5: Solve for x
    x = 45,028,171.95/11,039.64
  6. Step 6: Final answer
    x = 4,078.77

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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.