Home / 8,375.03-12,562.01-3,180.77

Finding the Fourth Proportional to 8,375.03, 12,562.01 and 3,180.77

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Solution

The fourth proportional to 8,375.03, 12,562.01 and 3,180.77 is: 4,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.03 : 12,562.01 = 3,180.77 : x
  2. Step 2: Convert to fraction form
    8,375.03/12,562.01 = 3,180.77/x
  3. Step 3: Cross multiply
    8,375.03x = 12,562.01 × 3,180.77
  4. Step 4: Simplify right side
    8,375.03x = 39,956,848.64
  5. Step 5: Solve for x
    x = 39,956,848.64/8,375.03
  6. Step 6: Final answer
    x = 4,770.95

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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.