Home / 8,861.84-12,229.96-4,883.44

Finding the Fourth Proportional to 8,861.84, 12,229.96 and 4,883.44

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Solution

The fourth proportional to 8,861.84, 12,229.96 and 4,883.44 is: 6,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.84 : 12,229.96 = 4,883.44 : x
  2. Step 2: Convert to fraction form
    8,861.84/12,229.96 = 4,883.44/x
  3. Step 3: Cross multiply
    8,861.84x = 12,229.96 × 4,883.44
  4. Step 4: Simplify right side
    8,861.84x = 59,724,275.86
  5. Step 5: Solve for x
    x = 59,724,275.86/8,861.84
  6. Step 6: Final answer
    x = 6,739.49

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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.