Home / 11,919.33-17,874.72-4,525.77

Finding the Fourth Proportional to 11,919.33, 17,874.72 and 4,525.77

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Solution

The fourth proportional to 11,919.33, 17,874.72 and 4,525.77 is: 6,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.33 : 17,874.72 = 4,525.77 : x
  2. Step 2: Convert to fraction form
    11,919.33/17,874.72 = 4,525.77/x
  3. Step 3: Cross multiply
    11,919.33x = 17,874.72 × 4,525.77
  4. Step 4: Simplify right side
    11,919.33x = 80,896,871.53
  5. Step 5: Solve for x
    x = 80,896,871.53/11,919.33
  6. Step 6: Final answer
    x = 6,787.03

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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.