Home / 8,297.15-12,437.82-3,101.81

Finding the Fourth Proportional to 8,297.15, 12,437.82 and 3,101.81

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Solution

The fourth proportional to 8,297.15, 12,437.82 and 3,101.81 is: 4,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.15 : 12,437.82 = 3,101.81 : x
  2. Step 2: Convert to fraction form
    8,297.15/12,437.82 = 3,101.81/x
  3. Step 3: Cross multiply
    8,297.15x = 12,437.82 × 3,101.81
  4. Step 4: Simplify right side
    8,297.15x = 38,579,692.27
  5. Step 5: Solve for x
    x = 38,579,692.27/8,297.15
  6. Step 6: Final answer
    x = 4,649.76

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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.