Home / 11,747.12-17,615.56-4,446

Finding the Fourth Proportional to 11,747.12, 17,615.56 and 4,446

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Solution

The fourth proportional to 11,747.12, 17,615.56 and 4,446 is: 6,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.12 : 17,615.56 = 4,446 : x
  2. Step 2: Convert to fraction form
    11,747.12/17,615.56 = 4,446/x
  3. Step 3: Cross multiply
    11,747.12x = 17,615.56 × 4,446
  4. Step 4: Simplify right side
    11,747.12x = 78,318,779.76
  5. Step 5: Solve for x
    x = 78,318,779.76/11,747.12
  6. Step 6: Final answer
    x = 6,667.06

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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.