Home / 7,654.36-11,479.64-2,107.42

Finding the Fourth Proportional to 7,654.36, 11,479.64 and 2,107.42

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Solution

The fourth proportional to 7,654.36, 11,479.64 and 2,107.42 is: 3,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.36 : 11,479.64 = 2,107.42 : x
  2. Step 2: Convert to fraction form
    7,654.36/11,479.64 = 2,107.42/x
  3. Step 3: Cross multiply
    7,654.36x = 11,479.64 × 2,107.42
  4. Step 4: Simplify right side
    7,654.36x = 24,192,422.93
  5. Step 5: Solve for x
    x = 24,192,422.93/7,654.36
  6. Step 6: Final answer
    x = 3,160.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.