Home / 12,239.94-18,361.53-4,450.98

Finding the Fourth Proportional to 12,239.94, 18,361.53 and 4,450.98

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Solution

The fourth proportional to 12,239.94, 18,361.53 and 4,450.98 is: 6,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.94 : 18,361.53 = 4,450.98 : x
  2. Step 2: Convert to fraction form
    12,239.94/18,361.53 = 4,450.98/x
  3. Step 3: Cross multiply
    12,239.94x = 18,361.53 × 4,450.98
  4. Step 4: Simplify right side
    12,239.94x = 81,726,802.80
  5. Step 5: Solve for x
    x = 81,726,802.80/12,239.94
  6. Step 6: Final answer
    x = 6,677.06

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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.