Home / 7,845.12-11,767.60-2,001.66

Finding the Fourth Proportional to 7,845.12, 11,767.60 and 2,001.66

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Solution

The fourth proportional to 7,845.12, 11,767.60 and 2,001.66 is: 3,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.12 : 11,767.60 = 2,001.66 : x
  2. Step 2: Convert to fraction form
    7,845.12/11,767.60 = 2,001.66/x
  3. Step 3: Cross multiply
    7,845.12x = 11,767.60 × 2,001.66
  4. Step 4: Simplify right side
    7,845.12x = 23,554,734.22
  5. Step 5: Solve for x
    x = 23,554,734.22/7,845.12
  6. Step 6: Final answer
    x = 3,002.47

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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.