Home / 11,135.76-16,700.88-3,238.04

Finding the Fourth Proportional to 11,135.76, 16,700.88 and 3,238.04

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Solution

The fourth proportional to 11,135.76, 16,700.88 and 3,238.04 is: 4,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.76 : 16,700.88 = 3,238.04 : x
  2. Step 2: Convert to fraction form
    11,135.76/16,700.88 = 3,238.04/x
  3. Step 3: Cross multiply
    11,135.76x = 16,700.88 × 3,238.04
  4. Step 4: Simplify right side
    11,135.76x = 54,078,117.48
  5. Step 5: Solve for x
    x = 54,078,117.48/11,135.76
  6. Step 6: Final answer
    x = 4,856.26

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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.