Home / 11,214.52-16,824.40-3,423.32

Finding the Fourth Proportional to 11,214.52, 16,824.40 and 3,423.32

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Solution

The fourth proportional to 11,214.52, 16,824.40 and 3,423.32 is: 5,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.52 : 16,824.40 = 3,423.32 : x
  2. Step 2: Convert to fraction form
    11,214.52/16,824.40 = 3,423.32/x
  3. Step 3: Cross multiply
    11,214.52x = 16,824.40 × 3,423.32
  4. Step 4: Simplify right side
    11,214.52x = 57,595,305.01
  5. Step 5: Solve for x
    x = 57,595,305.01/11,214.52
  6. Step 6: Final answer
    x = 5,135.78

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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.