Home / 11,920.33-17,876.22-4,526.77

Finding the Fourth Proportional to 11,920.33, 17,876.22 and 4,526.77

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Solution

The fourth proportional to 11,920.33, 17,876.22 and 4,526.77 is: 6,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.33 : 17,876.22 = 4,526.77 : x
  2. Step 2: Convert to fraction form
    11,920.33/17,876.22 = 4,526.77/x
  3. Step 3: Cross multiply
    11,920.33x = 17,876.22 × 4,526.77
  4. Step 4: Simplify right side
    11,920.33x = 80,921,536.41
  5. Step 5: Solve for x
    x = 80,921,536.41/11,920.33
  6. Step 6: Final answer
    x = 6,788.53

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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.