Home / 8,771.68-12,105.06-5,236.96

Finding the Fourth Proportional to 8,771.68, 12,105.06 and 5,236.96

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Solution

The fourth proportional to 8,771.68, 12,105.06 and 5,236.96 is: 7,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.68 : 12,105.06 = 5,236.96 : x
  2. Step 2: Convert to fraction form
    8,771.68/12,105.06 = 5,236.96/x
  3. Step 3: Cross multiply
    8,771.68x = 12,105.06 × 5,236.96
  4. Step 4: Simplify right side
    8,771.68x = 63,393,715.02
  5. Step 5: Solve for x
    x = 63,393,715.02/8,771.68
  6. Step 6: Final answer
    x = 7,227.09

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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.