Home / 11,784.22-17,676.32-7,404.74

Finding the Fourth Proportional to 11,784.22, 17,676.32 and 7,404.74

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Solution

The fourth proportional to 11,784.22, 17,676.32 and 7,404.74 is: 11,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.22 : 17,676.32 = 7,404.74 : x
  2. Step 2: Convert to fraction form
    11,784.22/17,676.32 = 7,404.74/x
  3. Step 3: Cross multiply
    11,784.22x = 17,676.32 × 7,404.74
  4. Step 4: Simplify right side
    11,784.22x = 130,888,553.76
  5. Step 5: Solve for x
    x = 130,888,553.76/11,784.22
  6. Step 6: Final answer
    x = 11,107.10

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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.