Home / 11,971.86-17,957.30-4,576.02

Finding the Fourth Proportional to 11,971.86, 17,957.30 and 4,576.02

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Solution

The fourth proportional to 11,971.86, 17,957.30 and 4,576.02 is: 6,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.86 : 17,957.30 = 4,576.02 : x
  2. Step 2: Convert to fraction form
    11,971.86/17,957.30 = 4,576.02/x
  3. Step 3: Cross multiply
    11,971.86x = 17,957.30 × 4,576.02
  4. Step 4: Simplify right side
    11,971.86x = 82,172,963.95
  5. Step 5: Solve for x
    x = 82,172,963.95/11,971.86
  6. Step 6: Final answer
    x = 6,863.84

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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.