Home / 8,586.24-12,879.96-2,743.32

Finding the Fourth Proportional to 8,586.24, 12,879.96 and 2,743.32

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Solution

The fourth proportional to 8,586.24, 12,879.96 and 2,743.32 is: 4,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.24 : 12,879.96 = 2,743.32 : x
  2. Step 2: Convert to fraction form
    8,586.24/12,879.96 = 2,743.32/x
  3. Step 3: Cross multiply
    8,586.24x = 12,879.96 × 2,743.32
  4. Step 4: Simplify right side
    8,586.24x = 35,333,851.87
  5. Step 5: Solve for x
    x = 35,333,851.87/8,586.24
  6. Step 6: Final answer
    x = 4,115.17

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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.