Home / 11,265.66-16,893.36-4,687.92

Finding the Fourth Proportional to 11,265.66, 16,893.36 and 4,687.92

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Solution

The fourth proportional to 11,265.66, 16,893.36 and 4,687.92 is: 7,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.66 : 16,893.36 = 4,687.92 : x
  2. Step 2: Convert to fraction form
    11,265.66/16,893.36 = 4,687.92/x
  3. Step 3: Cross multiply
    11,265.66x = 16,893.36 × 4,687.92
  4. Step 4: Simplify right side
    11,265.66x = 79,194,720.21
  5. Step 5: Solve for x
    x = 79,194,720.21/11,265.66
  6. Step 6: Final answer
    x = 7,029.75

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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.