radio button mengambil data di db checked (get value radio button edit)

@foreach($skalas as $i=>$skala)
    <input name="skala" type="radio" <?php echo ($user_profile->id_skala == $skala->id)? 'checked' : ''; ?> value="{{ $skala->id }}"> {{ $skala->deskripsi }} <br>
 @endforeach

http://localhost:8000/profil-dashboard