Home / 8,773.20-12,105.68-5,236.36

Finding the Fourth Proportional to 8,773.20, 12,105.68 and 5,236.36

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Solution

The fourth proportional to 8,773.20, 12,105.68 and 5,236.36 is: 7,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.20 : 12,105.68 = 5,236.36 : x
  2. Step 2: Convert to fraction form
    8,773.20/12,105.68 = 5,236.36/x
  3. Step 3: Cross multiply
    8,773.20x = 12,105.68 × 5,236.36
  4. Step 4: Simplify right side
    8,773.20x = 63,389,698.52
  5. Step 5: Solve for x
    x = 63,389,698.52/8,773.20
  6. Step 6: Final answer
    x = 7,225.38

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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.