Home / 10,712.55-16,067.22-4,137.91

Finding the Fourth Proportional to 10,712.55, 16,067.22 and 4,137.91

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Solution

The fourth proportional to 10,712.55, 16,067.22 and 4,137.91 is: 6,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.55 : 16,067.22 = 4,137.91 : x
  2. Step 2: Convert to fraction form
    10,712.55/16,067.22 = 4,137.91/x
  3. Step 3: Cross multiply
    10,712.55x = 16,067.22 × 4,137.91
  4. Step 4: Simplify right side
    10,712.55x = 66,484,710.31
  5. Step 5: Solve for x
    x = 66,484,710.31/10,712.55
  6. Step 6: Final answer
    x = 6,206.25

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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.