Home / 12,767.96-19,159.45-5,371.85

Finding the Fourth Proportional to 12,767.96, 19,159.45 and 5,371.85

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Solution

The fourth proportional to 12,767.96, 19,159.45 and 5,371.85 is: 8,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.96 : 19,159.45 = 5,371.85 : x
  2. Step 2: Convert to fraction form
    12,767.96/19,159.45 = 5,371.85/x
  3. Step 3: Cross multiply
    12,767.96x = 19,159.45 × 5,371.85
  4. Step 4: Simplify right side
    12,767.96x = 102,921,725.95
  5. Step 5: Solve for x
    x = 102,921,725.95/12,767.96
  6. Step 6: Final answer
    x = 8,060.94

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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.