Home / 8,889.11-12,266.34-4,910.19

Finding the Fourth Proportional to 8,889.11, 12,266.34 and 4,910.19

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Solution

The fourth proportional to 8,889.11, 12,266.34 and 4,910.19 is: 6,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.11 : 12,266.34 = 4,910.19 : x
  2. Step 2: Convert to fraction form
    8,889.11/12,266.34 = 4,910.19/x
  3. Step 3: Cross multiply
    8,889.11x = 12,266.34 × 4,910.19
  4. Step 4: Simplify right side
    8,889.11x = 60,230,060.00
  5. Step 5: Solve for x
    x = 60,230,060.00/8,889.11
  6. Step 6: Final answer
    x = 6,775.71

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Double scale
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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.