Home / 10,988.63-16,489.43-4,067.99

Finding the Fourth Proportional to 10,988.63, 16,489.43 and 4,067.99

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Solution

The fourth proportional to 10,988.63, 16,489.43 and 4,067.99 is: 6,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.63 : 16,489.43 = 4,067.99 : x
  2. Step 2: Convert to fraction form
    10,988.63/16,489.43 = 4,067.99/x
  3. Step 3: Cross multiply
    10,988.63x = 16,489.43 × 4,067.99
  4. Step 4: Simplify right side
    10,988.63x = 67,078,836.35
  5. Step 5: Solve for x
    x = 67,078,836.35/10,988.63
  6. Step 6: Final answer
    x = 6,104.39

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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.