Home / 11,251.98-16,883.37-5,407.02

Finding the Fourth Proportional to 11,251.98, 16,883.37 and 5,407.02

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Solution

The fourth proportional to 11,251.98, 16,883.37 and 5,407.02 is: 8,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.98 : 16,883.37 = 5,407.02 : x
  2. Step 2: Convert to fraction form
    11,251.98/16,883.37 = 5,407.02/x
  3. Step 3: Cross multiply
    11,251.98x = 16,883.37 × 5,407.02
  4. Step 4: Simplify right side
    11,251.98x = 91,288,719.26
  5. Step 5: Solve for x
    x = 91,288,719.26/11,251.98
  6. Step 6: Final answer
    x = 8,113.12

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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.