Solution:Let's analyze:
4394 - 3456 = 938
5488 - 4394 = 1094
6750 - 5488 = 1262
Differences: 938, 1094, 1262
Increase: +156, +168
Next increase: +180 (pattern: +156, +168, +180)
Next difference: 1262 + 180 = 1442
So, missing number:
6750 + 1442 = 8192
Check: 9826 - 8192 = 1634 (fits pattern: 1442 + 192 = 1634)
Answer: 8192