Home / 11,207.39-16,810.68-3,416

Finding the Fourth Proportional to 11,207.39, 16,810.68 and 3,416

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Solution

The fourth proportional to 11,207.39, 16,810.68 and 3,416 is: 5,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.39 : 16,810.68 = 3,416 : x
  2. Step 2: Convert to fraction form
    11,207.39/16,810.68 = 3,416/x
  3. Step 3: Cross multiply
    11,207.39x = 16,810.68 × 3,416
  4. Step 4: Simplify right side
    11,207.39x = 57,425,282.88
  5. Step 5: Solve for x
    x = 57,425,282.88/11,207.39
  6. Step 6: Final answer
    x = 5,123.88

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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.