Home / 8,392.20-11,576.68-5,204.42

Finding the Fourth Proportional to 8,392.20, 11,576.68 and 5,204.42

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Solution

The fourth proportional to 8,392.20, 11,576.68 and 5,204.42 is: 7,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.20 : 11,576.68 = 5,204.42 : x
  2. Step 2: Convert to fraction form
    8,392.20/11,576.68 = 5,204.42/x
  3. Step 3: Cross multiply
    8,392.20x = 11,576.68 × 5,204.42
  4. Step 4: Simplify right side
    8,392.20x = 60,249,904.93
  5. Step 5: Solve for x
    x = 60,249,904.93/8,392.20
  6. Step 6: Final answer
    x = 7,179.27

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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.