Home / 12,772.98-19,161.75-4,450.53

Finding the Fourth Proportional to 12,772.98, 19,161.75 and 4,450.53

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Solution

The fourth proportional to 12,772.98, 19,161.75 and 4,450.53 is: 6,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.98 : 19,161.75 = 4,450.53 : x
  2. Step 2: Convert to fraction form
    12,772.98/19,161.75 = 4,450.53/x
  3. Step 3: Cross multiply
    12,772.98x = 19,161.75 × 4,450.53
  4. Step 4: Simplify right side
    12,772.98x = 85,279,943.23
  5. Step 5: Solve for x
    x = 85,279,943.23/12,772.98
  6. Step 6: Final answer
    x = 6,676.59

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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.