Home / 8,382.14-12,572.48-2,835.36

Finding the Fourth Proportional to 8,382.14, 12,572.48 and 2,835.36

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Solution

The fourth proportional to 8,382.14, 12,572.48 and 2,835.36 is: 4,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.14 : 12,572.48 = 2,835.36 : x
  2. Step 2: Convert to fraction form
    8,382.14/12,572.48 = 2,835.36/x
  3. Step 3: Cross multiply
    8,382.14x = 12,572.48 × 2,835.36
  4. Step 4: Simplify right side
    8,382.14x = 35,647,492.72
  5. Step 5: Solve for x
    x = 35,647,492.72/8,382.14
  6. Step 6: Final answer
    x = 4,252.79

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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.