Home / 8,840.71-12,200.26-4,861.85

Finding the Fourth Proportional to 8,840.71, 12,200.26 and 4,861.85

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Solution

The fourth proportional to 8,840.71, 12,200.26 and 4,861.85 is: 6,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.71 : 12,200.26 = 4,861.85 : x
  2. Step 2: Convert to fraction form
    8,840.71/12,200.26 = 4,861.85/x
  3. Step 3: Cross multiply
    8,840.71x = 12,200.26 × 4,861.85
  4. Step 4: Simplify right side
    8,840.71x = 59,315,773.08
  5. Step 5: Solve for x
    x = 59,315,773.08/8,840.71
  6. Step 6: Final answer
    x = 6,709.39

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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.