This will be the first cheque for the 17-year-old, who hit the headlines by winning Ladies European Tour Q-School last December.
With rounds of 74-77-71 and 74, she finished at three-over on the par-73 course.
Of the other two Indians in the field, Vani Kapoor made the 36-hole cut, but finished outside the 54-hole cut mark, while Amandeep Drall missed after two rounds at the Australia Ladies PGA event.
Aditi, who won the British Amateur Stroke play event last year, said she was happy and encouraged to make both the cuts at the Victorian Open in her first start as a pro and she thanked David and Melinda Peebles, who hosted her this week.
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England's Georgia Hall won her first professional title when she finished with a par and totalled 11-under.
Hall shot 69, 70, 71 and 71 and won by one shot over Nanna Madsen of Denmark, (72-68-73-69) and defending champion, Marianne Skarpnord (73-70-69-70).
Legend Karrie Webb, who was in danger of missing the cut in the second round, recovered well over the weekend with rounds of 70 and 68 and finished tied 11.