Home / 8,566.56-12,857.13-4,185.27

Finding the Fourth Proportional to 8,566.56, 12,857.13 and 4,185.27

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Solution

The fourth proportional to 8,566.56, 12,857.13 and 4,185.27 is: 6,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.56 : 12,857.13 = 4,185.27 : x
  2. Step 2: Convert to fraction form
    8,566.56/12,857.13 = 4,185.27/x
  3. Step 3: Cross multiply
    8,566.56x = 12,857.13 × 4,185.27
  4. Step 4: Simplify right side
    8,566.56x = 53,810,560.48
  5. Step 5: Solve for x
    x = 53,810,560.48/8,566.56
  6. Step 6: Final answer
    x = 6,281.47

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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.