Home / 11,882.58-17,823.90-3,117.48

Finding the Fourth Proportional to 11,882.58, 17,823.90 and 3,117.48

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Solution

The fourth proportional to 11,882.58, 17,823.90 and 3,117.48 is: 4,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.58 : 17,823.90 = 3,117.48 : x
  2. Step 2: Convert to fraction form
    11,882.58/17,823.90 = 3,117.48/x
  3. Step 3: Cross multiply
    11,882.58x = 17,823.90 × 3,117.48
  4. Step 4: Simplify right side
    11,882.58x = 55,565,651.77
  5. Step 5: Solve for x
    x = 55,565,651.77/11,882.58
  6. Step 6: Final answer
    x = 4,676.23

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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.