Home / 11,231.64-16,866.90-10,352.52

Finding the Fourth Proportional to 11,231.64, 16,866.90 and 10,352.52

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Solution

The fourth proportional to 11,231.64, 16,866.90 and 10,352.52 is: 15,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.64 : 16,866.90 = 10,352.52 : x
  2. Step 2: Convert to fraction form
    11,231.64/16,866.90 = 10,352.52/x
  3. Step 3: Cross multiply
    11,231.64x = 16,866.90 × 10,352.52
  4. Step 4: Simplify right side
    11,231.64x = 174,614,919.59
  5. Step 5: Solve for x
    x = 174,614,919.59/11,231.64
  6. Step 6: Final answer
    x = 15,546.70

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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.