Home / 11,820.52-17,731.92-5,973.40

Finding the Fourth Proportional to 11,820.52, 17,731.92 and 5,973.40

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Solution

The fourth proportional to 11,820.52, 17,731.92 and 5,973.40 is: 8,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.52 : 17,731.92 = 5,973.40 : x
  2. Step 2: Convert to fraction form
    11,820.52/17,731.92 = 5,973.40/x
  3. Step 3: Cross multiply
    11,820.52x = 17,731.92 × 5,973.40
  4. Step 4: Simplify right side
    11,820.52x = 105,919,850.93
  5. Step 5: Solve for x
    x = 105,919,850.93/11,820.52
  6. Step 6: Final answer
    x = 8,960.68

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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.