Hi,
I'm confident that ESXi patches are cumulative, so everything is included. As you are just jumping in patch versions you should be able to go from patch 4 to patch 11 as you asked!
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Regards,
Ryan
vExpert, VCP5, VCAP5-DCA, MCITP, VCE-CIAE, NPP4
@vRyanH
http://vRyan.co.uk