Home / 11,150.32-16,720.80-3,752.98

Finding the Fourth Proportional to 11,150.32, 16,720.80 and 3,752.98

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Solution

The fourth proportional to 11,150.32, 16,720.80 and 3,752.98 is: 5,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.32 : 16,720.80 = 3,752.98 : x
  2. Step 2: Convert to fraction form
    11,150.32/16,720.80 = 3,752.98/x
  3. Step 3: Cross multiply
    11,150.32x = 16,720.80 × 3,752.98
  4. Step 4: Simplify right side
    11,150.32x = 62,752,827.98
  5. Step 5: Solve for x
    x = 62,752,827.98/11,150.32
  6. Step 6: Final answer
    x = 5,627.89

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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.