Home / 8,584.10-12,865.35-4,192.10

Finding the Fourth Proportional to 8,584.10, 12,865.35 and 4,192.10

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Solution

The fourth proportional to 8,584.10, 12,865.35 and 4,192.10 is: 6,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.10 : 12,865.35 = 4,192.10 : x
  2. Step 2: Convert to fraction form
    8,584.10/12,865.35 = 4,192.10/x
  3. Step 3: Cross multiply
    8,584.10x = 12,865.35 × 4,192.10
  4. Step 4: Simplify right side
    8,584.10x = 53,932,833.74
  5. Step 5: Solve for x
    x = 53,932,833.74/8,584.10
  6. Step 6: Final answer
    x = 6,282.88

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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.