Rim width and backspacing for 17 reacon

Noticed my tires and rims have different width and backspacing and im trying to get what works best , i need to know what size width rim and backspacing do i need on all 4 tires ?
 
I would say the most common is
Rights:
6x10 with 4” backspace
Left Front:
6x6.5 with 2.5” backspace
Left Rear:
6x8.5 with 3.5” backspace
 
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