Home / 11,200.64-16,789.96-4,175.48

Finding the Fourth Proportional to 11,200.64, 16,789.96 and 4,175.48

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Solution

The fourth proportional to 11,200.64, 16,789.96 and 4,175.48 is: 6,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.64 : 16,789.96 = 4,175.48 : x
  2. Step 2: Convert to fraction form
    11,200.64/16,789.96 = 4,175.48/x
  3. Step 3: Cross multiply
    11,200.64x = 16,789.96 × 4,175.48
  4. Step 4: Simplify right side
    11,200.64x = 70,106,142.18
  5. Step 5: Solve for x
    x = 70,106,142.18/11,200.64
  6. Step 6: Final answer
    x = 6,259.12

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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.