Home / 8,247.49-11,383.54-4,712.72

Finding the Fourth Proportional to 8,247.49, 11,383.54 and 4,712.72

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Solution

The fourth proportional to 8,247.49, 11,383.54 and 4,712.72 is: 6,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.49 : 11,383.54 = 4,712.72 : x
  2. Step 2: Convert to fraction form
    8,247.49/11,383.54 = 4,712.72/x
  3. Step 3: Cross multiply
    8,247.49x = 11,383.54 × 4,712.72
  4. Step 4: Simplify right side
    8,247.49x = 53,647,367.93
  5. Step 5: Solve for x
    x = 53,647,367.93/8,247.49
  6. Step 6: Final answer
    x = 6,504.69

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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.