Home / 12,773.43-19,160.28-4,879.44

Finding the Fourth Proportional to 12,773.43, 19,160.28 and 4,879.44

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Solution

The fourth proportional to 12,773.43, 19,160.28 and 4,879.44 is: 7,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.43 : 19,160.28 = 4,879.44 : x
  2. Step 2: Convert to fraction form
    12,773.43/19,160.28 = 4,879.44/x
  3. Step 3: Cross multiply
    12,773.43x = 19,160.28 × 4,879.44
  4. Step 4: Simplify right side
    12,773.43x = 93,491,436.64
  5. Step 5: Solve for x
    x = 93,491,436.64/12,773.43
  6. Step 6: Final answer
    x = 7,319.21

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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.