Home / 8,823.25-12,175.18-5,286.37

Finding the Fourth Proportional to 8,823.25, 12,175.18 and 5,286.37

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Solution

The fourth proportional to 8,823.25, 12,175.18 and 5,286.37 is: 7,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.25 : 12,175.18 = 5,286.37 : x
  2. Step 2: Convert to fraction form
    8,823.25/12,175.18 = 5,286.37/x
  3. Step 3: Cross multiply
    8,823.25x = 12,175.18 × 5,286.37
  4. Step 4: Simplify right side
    8,823.25x = 64,362,458.64
  5. Step 5: Solve for x
    x = 64,362,458.64/8,823.25
  6. Step 6: Final answer
    x = 7,294.65

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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.