Home / 8,940.32-12,337.67-4,962

Finding the Fourth Proportional to 8,940.32, 12,337.67 and 4,962

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Solution

The fourth proportional to 8,940.32, 12,337.67 and 4,962 is: 6,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.32 : 12,337.67 = 4,962 : x
  2. Step 2: Convert to fraction form
    8,940.32/12,337.67 = 4,962/x
  3. Step 3: Cross multiply
    8,940.32x = 12,337.67 × 4,962
  4. Step 4: Simplify right side
    8,940.32x = 61,219,493.73
  5. Step 5: Solve for x
    x = 61,219,493.73/8,940.32
  6. Step 6: Final answer
    x = 6,847.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.