Home / 8,350.20-11,525.26-5,518.12

Finding the Fourth Proportional to 8,350.20, 11,525.26 and 5,518.12

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Solution

The fourth proportional to 8,350.20, 11,525.26 and 5,518.12 is: 7,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.20 : 11,525.26 = 5,518.12 : x
  2. Step 2: Convert to fraction form
    8,350.20/11,525.26 = 5,518.12/x
  3. Step 3: Cross multiply
    8,350.20x = 11,525.26 × 5,518.12
  4. Step 4: Simplify right side
    8,350.20x = 63,597,767.71
  5. Step 5: Solve for x
    x = 63,597,767.71/8,350.20
  6. Step 6: Final answer
    x = 7,616.32

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Half 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.