Mark 8:9
And they that had eaten were about four thousand: and he sent them away.
Cross-reference
Mark 6:42
Parallel
Mark 6:42 describes a similar feeding miracle (5000) with the same phrase 'they all ate and were satisfied' — showing a pattern in Jesus' provision.
Matthew 15:37
Parallel
Matthew 15:37 recounts the same miracle with the same detail of seven basketfuls of leftovers, confirming the event's consistency across Gospels.
Luke 9:17
Parallel
Luke 9:17 also records a feeding miracle (5000) with the gathering of leftovers, echoing the same structure but different crowd size.