Home / 8,395.62-11,585.70-4,618.79

Finding the Fourth Proportional to 8,395.62, 11,585.70 and 4,618.79

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Solution

The fourth proportional to 8,395.62, 11,585.70 and 4,618.79 is: 6,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.62 : 11,585.70 = 4,618.79 : x
  2. Step 2: Convert to fraction form
    8,395.62/11,585.70 = 4,618.79/x
  3. Step 3: Cross multiply
    8,395.62x = 11,585.70 × 4,618.79
  4. Step 4: Simplify right side
    8,395.62x = 53,511,857.37
  5. Step 5: Solve for x
    x = 53,511,857.37/8,395.62
  6. Step 6: Final answer
    x = 6,373.78

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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.