Home / 10,687.58-16,032.88-3,292.66

Finding the Fourth Proportional to 10,687.58, 16,032.88 and 3,292.66

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Solution

The fourth proportional to 10,687.58, 16,032.88 and 3,292.66 is: 4,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.58 : 16,032.88 = 3,292.66 : x
  2. Step 2: Convert to fraction form
    10,687.58/16,032.88 = 3,292.66/x
  3. Step 3: Cross multiply
    10,687.58x = 16,032.88 × 3,292.66
  4. Step 4: Simplify right side
    10,687.58x = 52,790,822.66
  5. Step 5: Solve for x
    x = 52,790,822.66/10,687.58
  6. Step 6: Final answer
    x = 4,939.46

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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.