Home / 8,840.36-12,200.01-4,861.78

Finding the Fourth Proportional to 8,840.36, 12,200.01 and 4,861.78

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Solution

The fourth proportional to 8,840.36, 12,200.01 and 4,861.78 is: 6,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.36 : 12,200.01 = 4,861.78 : x
  2. Step 2: Convert to fraction form
    8,840.36/12,200.01 = 4,861.78/x
  3. Step 3: Cross multiply
    8,840.36x = 12,200.01 × 4,861.78
  4. Step 4: Simplify right side
    8,840.36x = 59,313,764.62
  5. Step 5: Solve for x
    x = 59,313,764.62/8,840.36
  6. Step 6: Final answer
    x = 6,709.43

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1.5x scale

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.