Home / 12,031.26-18,050.00-3,711.09

Finding the Fourth Proportional to 12,031.26, 18,050.00 and 3,711.09

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Solution

The fourth proportional to 12,031.26, 18,050.00 and 3,711.09 is: 5,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.26 : 18,050.00 = 3,711.09 : x
  2. Step 2: Convert to fraction form
    12,031.26/18,050.00 = 3,711.09/x
  3. Step 3: Cross multiply
    12,031.26x = 18,050.00 × 3,711.09
  4. Step 4: Simplify right side
    12,031.26x = 66,985,155.94
  5. Step 5: Solve for x
    x = 66,985,155.94/12,031.26
  6. Step 6: Final answer
    x = 5,567.59

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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.