To say a digital image is 11 x 17 inches is meaningless. When you import the image you will see a dialogue asking you to define the image DPI. You can select 'From File' or 'Default import resolution'. Could be clearer but, the later will scale the image, and the former won't, so try the former. I a...

In your code you have different x/y values for text and tspan elements for each of the text objects. The browser is using the tspan value. This is the cause of the misaliignment. E.g. 'Snelheid' text y= 625 and tspan y = 705. You will need to use the XML editor in Inkscape, or an external text edito...

Have you tried converting text to paths?