Home / 8,731.24-13,095.56-3,183.28

Finding the Fourth Proportional to 8,731.24, 13,095.56 and 3,183.28

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Solution

The fourth proportional to 8,731.24, 13,095.56 and 3,183.28 is: 4,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.24 : 13,095.56 = 3,183.28 : x
  2. Step 2: Convert to fraction form
    8,731.24/13,095.56 = 3,183.28/x
  3. Step 3: Cross multiply
    8,731.24x = 13,095.56 × 3,183.28
  4. Step 4: Simplify right side
    8,731.24x = 41,686,809.46
  5. Step 5: Solve for x
    x = 41,686,809.46/8,731.24
  6. Step 6: Final answer
    x = 4,774.44

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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.