Home / 8,816.20-12,166.14-4,837.28

Finding the Fourth Proportional to 8,816.20, 12,166.14 and 4,837.28

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Solution

The fourth proportional to 8,816.20, 12,166.14 and 4,837.28 is: 6,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.20 : 12,166.14 = 4,837.28 : x
  2. Step 2: Convert to fraction form
    8,816.20/12,166.14 = 4,837.28/x
  3. Step 3: Cross multiply
    8,816.20x = 12,166.14 × 4,837.28
  4. Step 4: Simplify right side
    8,816.20x = 58,850,964.87
  5. Step 5: Solve for x
    x = 58,850,964.87/8,816.20
  6. Step 6: Final answer
    x = 6,675.32

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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.