Home / 8,682.88-11,982.32-4,704

Finding the Fourth Proportional to 8,682.88, 11,982.32 and 4,704

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Solution

The fourth proportional to 8,682.88, 11,982.32 and 4,704 is: 6,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.88 : 11,982.32 = 4,704 : x
  2. Step 2: Convert to fraction form
    8,682.88/11,982.32 = 4,704/x
  3. Step 3: Cross multiply
    8,682.88x = 11,982.32 × 4,704
  4. Step 4: Simplify right side
    8,682.88x = 56,364,833.28
  5. Step 5: Solve for x
    x = 56,364,833.28/8,682.88
  6. Step 6: Final answer
    x = 6,491.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.