Home / 8,861.31-12,229.30-4,883.13

Finding the Fourth Proportional to 8,861.31, 12,229.30 and 4,883.13

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Solution

The fourth proportional to 8,861.31, 12,229.30 and 4,883.13 is: 6,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.31 : 12,229.30 = 4,883.13 : x
  2. Step 2: Convert to fraction form
    8,861.31/12,229.30 = 4,883.13/x
  3. Step 3: Cross multiply
    8,861.31x = 12,229.30 × 4,883.13
  4. Step 4: Simplify right side
    8,861.31x = 59,717,249.50
  5. Step 5: Solve for x
    x = 59,717,249.50/8,861.31
  6. Step 6: Final answer
    x = 6,739.10

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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.