Home / 12,849.15-19,274.67-5,452.77

Finding the Fourth Proportional to 12,849.15, 19,274.67 and 5,452.77

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Solution

The fourth proportional to 12,849.15, 19,274.67 and 5,452.77 is: 8,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.15 : 19,274.67 = 5,452.77 : x
  2. Step 2: Convert to fraction form
    12,849.15/19,274.67 = 5,452.77/x
  3. Step 3: Cross multiply
    12,849.15x = 19,274.67 × 5,452.77
  4. Step 4: Simplify right side
    12,849.15x = 105,100,342.34
  5. Step 5: Solve for x
    x = 105,100,342.34/12,849.15
  6. Step 6: Final answer
    x = 8,179.56

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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.