Home / 12,747.66-19,124.22-5,347.85

Finding the Fourth Proportional to 12,747.66, 19,124.22 and 5,347.85

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Solution

The fourth proportional to 12,747.66, 19,124.22 and 5,347.85 is: 8,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.66 : 19,124.22 = 5,347.85 : x
  2. Step 2: Convert to fraction form
    12,747.66/19,124.22 = 5,347.85/x
  3. Step 3: Cross multiply
    12,747.66x = 19,124.22 × 5,347.85
  4. Step 4: Simplify right side
    12,747.66x = 102,273,459.93
  5. Step 5: Solve for x
    x = 102,273,459.93/12,747.66
  6. Step 6: Final answer
    x = 8,022.92

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1.5x scale

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.