Home / 11,218.56-16,826.52-3,427.44

Finding the Fourth Proportional to 11,218.56, 16,826.52 and 3,427.44

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Solution

The fourth proportional to 11,218.56, 16,826.52 and 3,427.44 is: 5,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.56 : 16,826.52 = 3,427.44 : x
  2. Step 2: Convert to fraction form
    11,218.56/16,826.52 = 3,427.44/x
  3. Step 3: Cross multiply
    11,218.56x = 16,826.52 × 3,427.44
  4. Step 4: Simplify right side
    11,218.56x = 57,671,887.71
  5. Step 5: Solve for x
    x = 57,671,887.71/11,218.56
  6. Step 6: Final answer
    x = 5,140.76

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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.